DU THAO Tieu chuan viet nam

TCVN T1EU CHUAN QUOC GIA TCVN 7447-7-712:2015 IEC 60364-7-712:2002 XuSt ban In HE THONG LAP DAT DIEN HA AP PHAN 7-712: YEU CAU DOI VO'l HE THONG LAP DAT DAC BIET HOAC KHU Arc DAC BIET THONG NGUON QUANG UPI SCY DUNG NANG LU'Q'NG MAT Men (PV) Electrical installations of buildings — Part 7-712: Requirements for special installations or locations — Solar photovoltaic (PV) power supply systems f HA NQI — 2015 TCVN 7447-7-712:2015 Muclyc Trang LeYi nOi dAu thileu 712 HO thong nguemi quang then sCF dung nang luvng m4t treyi 712.1 Pham vi ap dung 712.2 Tai liOu vilen dAn 712.3 Dinh nghia 712.4 Bac v0 an toan 10 712.41 E36o vlechong den gilat 10 712.411 Bao vle chong trep xCic trkm ti6p va glan ti6p 11 712.413 Ba'o v0 scr có 11 712.433 Bac) chong qua tai ten phia mOt chi6u 11 712.434 Bac v:e chat-1g dong diOn ngas'n mach 11 712.444 Beo vle chong nhi6u diOn tCy (EMI) tOa nha 12 712.5 Lkya chon valAp thiet bi dien 12 712.51 Qui ta'c chung 12 712.52 Fle thong di day 12 712.53 Cach ly, clang c't va di'u khi6n 12 712.54 B6 tri n61 dht, day d5n 136o va day lien Ot b6o v"0 13 TCVN 7447-7-712:2015 not dau TCVN 7447-7-712:2015 hoan town tuoing &rang vaei IEC 60364-7-712:2002; TCVN 7447-7-712:2015 Ban k9 thOt tieu chu6n qu6c gia TCVN/TC/E1 May cliOn va cu dh5n bien sown, T6ng cyc Treu chu6n f o Wing Chat luvng nghi, BO Khoa hoc va COng ngh cOng b6 TCVN 7447-7-712:2015 Yi thi;Ou Bo tieu chuAn TCVN 7447 (IEC 60364) hien da có cac ph An sau: TCVN 7447-1:2010, HO thOng i6p dat din áp — Pi-Can 1: Nguyen t6c ca ban, danh gia cac dac tinh chung, dinh nghia TCVN 7447-4-41:2010, HO thong la)D dat din hp ap — Phan 4-41: Bao vle an toan B6o ve ch6ng din gOt TCVN 7447-4-42:2015, HO th6ng Iap Of dien cac toa nha - Ph'An 4-42: B.ao v0 an toan B6o ve chong cac a'nh huifYng cua nhilet TCVN 7447-4-43:2010, HO thong 16p d'Ot din bp — PhAn 4-43: B6o v:e an toan B6o ve chong qua Bang TCVN 7447-4-44:2010, HO thong 16p cl:at diOn áp — PhAn 4-44: B6o ve an toan — Bac ve ch6ng nhi8u din ap va nhier u diOn tir TCVN 7447-5-51:2010, HO thong Iap dat din hp ap Phhn 5-51: Lva chon va thiet bi din — Nguyen t6c chung TCVN 7447-5-52:2010, HO thOng Iap Ot di len hp ap — PhAn 5-52: 1.4a chon va Iap Ot thi6t b diOn — HO thong di day TCVN 7447-5-53:2005, HO thong ta'p dsOt din cua cac toa nha PI-Can 5-53: Ltya chon va Iap chat thie't bi diOn Cach ly, dOng cat va di6u khi6n TCVN 7447-5-54:2015, HO thOng 16p Ot din cua cac toa nha Phan 5-54: Ltia chon va Iap dat thiot bi din — B6 tri not d6t, day IA° vle va day lien ket bdo v0 TCVN 7447-5-55:2015, HO thOng Iap d'Ot din hp áp — PhAn 5-55: Ltya chgn va 16p dat thi6t bi Cac thi6t bi khac TCVN 7447-5-56:2011, HO thOng Iap dat din hp áp — PhAn 5-55: Ufa chon va lap Of thi6t bi din Dich vu an toan TCVN 7447-6:2011, HO thOng 16p 01 din hp ap — PhAn 6: Kiem tra xac ntin TCVN 7447-7-701:2011, HO thong 16p 01 din cho cac toa nha Phan 7-710: Yeti cAu thong l6p biOt holac khu vyc crOc bit Khu vi,rc co bon tam hOc voi hoa son TCVN 7447-7-710:2006, HO thong Igp dat dien cho cac tem nha PhAn 7-710: Yeu c'au doi vai h0 thong l6p d'Ot dac bit hoc khu vyc cia'c bit Khu vyc y t64 TCVN 7447-7-712:2015, HO thOng 14 dal diOn cho cac toa nha PhAn 7-712: Yeu chu deSi vdi hO thong l6p dat d;ac bit hoc khu Apc dac bit — HO thOng ngu6n quang din six dung nang luang rr*treyi (PV) TCVN 7447-7-714:2011, He thong 16p Ot din cho cac tem nha - Phan 7-714: You cAu d6i he thong 16p ciat dac bit hOc khu vu'c di)c bit — He thong Iap dat diing cho chi& sang ben ngoai TCVN 7447-7-712:2015 TCVN 7447-7-715:2011, HO thong 16p chat din cho cac tOa nha - PhAn 7-715: Yeti chu thOng lap c7at cac biOt hoc khu vy'c cac bit — HO thOng 16p chat dung cho chi4u sang bAng din ap cvc tha` p TCVN 7447-7-717:2011, HO thong Igp that din cho cac tOa nha Phan 7-717: Yeti chu d6i h0 thong lgp d'Ot c ac biOt hoc khu vtyc c ac bit Cac khoi di dOng hoc van chuy6n duvc TCVN 7447-7-729:2011, HO thong lap dal din cho cac tOa nha PhAn 7-729: You cAu d6i vc5ii he th6ng l6p chat cac biet hoc khu vvic cac bit LOi di dOng cho van hanh hOc bdo &rang Ngoai bo tieu chu6n quoc to IEC 60364 co cac tieu chu6n sau: IEC 60364-7-702, Low-voltage electrical installations — Part 7-702: Requirements for special installations or locations - Swimming pools and fountains IEC 60364-7-703, Electrical installations of buildings — Part 7-703: Requirements for special installations or locations - Rooms and cabins containing sauna heaters IEC 60364-7-704, Low-voltage electrical installations — Part 7-704: Requirements for special installations or locations - Construction and demolition site installations IEC 60364-7-705, Low-voltage electrical installations — Part 7-705: Requirements for special installations or locations - Agricultural and horticultural premises IEC 60364-7-706, Low-voltage electrical installations — Part 7-706: Requirements for special installations or locations - Conducting locations with restricted movement IEC 60364-7-708, Low-voltage electrical installations — Part 7-708: Requirements for special installations or locations - Caravan parks, camping parks and similar locations IEC 60364-7-709, Low-voltage electrical installations — Part 7-709: Requirements for special installations or locations - Marinas and similar locations IEC 60364-7-711, Electrical installations of buildings — Part 7-711: Requirements for special installations or locations - Exhibitions, shows and stands IEC 60364-7-713, Electrical installations of buildings — Part 7: Requirements for special installations and locations - Section 713: Furniture IEC 60364-7-721, Low-voltage electrical installations — Part 7-721: Requirements for special installations or locations - Electrical installations in caravans and motor caravans IEC 60364-7-740, Electrical installations of buildings — Part 7-740: Requirements for special installations or locations — Temporary electrical installations for structures, amusement devices and booths at fairgrounds, amusement parks and circuses IEC 60364-7-753, Low-voltage electrical installations — Part 7-753: Requirements for special installations or locations - Floor and ceiling heating systems TIEU CHUAN QUOC CIA TCVN 7447-7-712:2015 He themgla cl4it hien áp — Phan 7-712: roil cau d6i voi he th6ng clOt cac bit hoar khu wyc ■ ien sir dyng Jiang luvng rnOt treyi cac bit — He th6ng ngu6n quangc Electrical installations of buildings — Part 7-712: Requirements for special installations or locations — Solar photovoltaic (PV) power supply systems 712 th6ng ngu6'n quang din Su' dung nang Ity9,,ng mat treyi (PV) CHU THICH: Trong tieu chu6n "quang din six dung nang luting mat treyi" duvc viect tat fa PV 712.1 Ph@ rn vi tip dung Tieu chu6n d6 clap den he thong lap that din cua he th6ng ngu6n PV k6 c6 cac he thong c6 cac mac:Tun din xoay chi& (AC) CHO THICH: Cac yeu chu d6i vai hO thOng nguon PV duvc thi6t 1c6 c16 lam viOc dOc lap clang cluvc xem xet 712.2 Tai lieu vin dan Cac tai liOu vin dan dt.r6i day la can thiet cte tip dung tieu chuan D61 v61 cac tai lieu co ghi nem cang bó, chi by dung cac 1346n duvc net' Doi vai cac tai lieu kh6ng ghi nam cOng b6, tip dung ban mai nh6t (k6 ca cac sCra TCVN 7994-1 (1EC 60439-1), TO din clang cat va die'u khgn hg tip Phan 1: Ti din cluvc ther nghiOm diezn hinh va to diOn cluvc the', nghOm cign hinh tang phAn 1EC 60050(8241982, International Electrotechnical Vocabulary (IEV) - Chapter 826: Electrical installations of buildings (Ti)' vy'ng ky thuOt diOn queic t6 (1EV) Chvang 826: HO th6ng lap clOt mien cho cac tcia nha) IEC/TR 60755, General requirements for residual current operated protective devices (Yeti cau chung clai voi cac thgt bi bao v0 tac cle)ng bang dOng du) IEC 60904-3, Photovoltaic devices — Part 3: Measurement principles for terrestrial photovoltaic (PV) solar devices with reference spectral irradiance data (Cu ca'u quang din Phan 3: Nguyen tgc coo cleji vOi cac ca cgu quang criOn mat cia't ser dung nang lugng mat troi co cac dCr liOu de) rai ph6 chugn) TCVN 7447-7-712:2015 I EC 61215, Crystalline silicon terrestrial photovoltaic (PV) modules - Design qualification and type approval (MO dun photovoltaic mat chat bang tinh the silic ke't tinh Danh gia chat luvng thiet 1(6 A pile duyOt ki6u) 712.3 Dinh nghia (Xem them cac Hinh 712.1 va Hinh 712.2) Trong tiou chu6n nay, siy clung cac dinh nghia cho IEC 60050 (826) va cac dinh nghia sau 712.3.1 16 bao quang (PV cell) c6u quang di'0 ca b6n co th6 phat di"0 duvc chieu sang vi du 136i bCrc xa mat toe' 712.3.2 Mo dun quang di§n (PV module) Cum 16)3 rap nho nha't g6m cac t44 bao quang then not vOi va duvc bAo va hoan town khoi tac clang dm m6i trueyng 712.3.3 Chu6- i quang din (PV string) Mach di"0 có cac mO dun quang dian n6i not ti4p, tao day quang diOn nhAm tao diOn ap cihu ming muon 712.3.4 Day quang din (PV array) Cum 14 rap cac mO dun quang din duvc tich hgp ve ca va diOn, va cac linh kin can thi6t khac, de tao tg) ngu6n mat chi6u 712.3.5 HOp not cac day quang din (PV array junction box) V6 boc tat ca cac chuo-i quang din cf,la day quang din duvc not din \fad va có th4 16p cac ca catu b6o ve, n6u can 712.3.6 13() phat quang din (PV generator) Cum 16p rap cac day quang die:n 712.3.7 FlOp not cac la§ phat quang din (PV generator junction box) VO boc (JO tat ca cac day quang din duvc not mien vai va CO th6 !AID cac n6u can c6u b6o TCVN 7447-7-71 2:2 01 712.3.8 Cap cua chu6i quang din (PV string cable) Cap not cac mO dun quang din tao chu6i quang diOn 712.3.9 Cap cua day quang din (PV array cable) Cap d'hu cua day quang diOn 712.3.10 Cap chinh phia din mot chi6u cua day quang din (PV DC main cable) Cap not h(5p n61 cac b0 Oat quang din vai cac dhu not din mot chi6u cua bo nghich lu'u quang diOn 712.3.11 Bo nghich quang din (PV inverter) Ca c6u chuy6n d6i din ap mot chreu va clang din mot chreu din ap xoay chi& va clang din xoay chreu 712.3.12 Cap ngu6n quang din (PV supply cable) Cap not cac dAu not xoay chi'eu dm bo nghich quang din Ten mach phan phoi cua hO thong 16p d'Ot 712.3.13 MO dun quang din xoay chi6u (PV AC module) Cum tich hcyp giCya m6 dun va bo nghich d6 cac dau n6i diOn chi la xoay chiL Khong tip can Ten phia mot chi6u 712.3.14 He thong lAp dat quang din (PV installation) Thi6t bi duvc I6p ghep v&i cua he thong ngu'On quang diOn 712.3.15 Di6u ki§n thin nghi§m tieu chan (STC) (standard test conditions (STC)) Cac dieu kin qui dinh IEC 60904-3 d6ivsol t6 bao quang din va mO dun quang diOn 712.3.16 Orson Ala ho' mach cac dreu kin thip nghiOm tieu chuAn (open-circuit voltage standard test conditions) DiOn áp heY mach ten m6 dun quang diOn, chu6i quang diOn, day quang dien, bo phat quang dien hoc ten phia mot chi& cua bo nghich quang diOn, cac di6u kin thCP nghi:em tieu chu&n TCVN 7447-7-712:2015 712.3.17 Dong dien ngAn mach cac kien this nghiOm tieu chuAn (short-circuit current standard test conditions) DOng diOn ngAn mach cua ma dun quang lien, chut3i quang diOn, day quang din hoc b0 phat quang cac dreu kin tht:r nghilem tieu chu6n 712.3.18 Phia mot chieu (DC side) Phan cua hO thong IAp clat quang cien tix to bao quang diOn d4n cac dau not mot chi6u cua be nghich !Lai quang d*.t 712.3.19 Phia xoay chieu (AC side) PhAn cua hO thOng 16p dat quang din tCr cac d'au not xoay chieu cua be nghich di6m not cua cap ngutm quang (lien d6n he thong l'a'p quang din clan then 712.3.20 each ly dun gran (simple separation) Cach ly giCra cac mach di On hoc giCra mach din va d6t bAng cach din chinh 712.30 Danh gia cac d4c tinh chung cAu 712.31 Myc dich, ngu'on va k6t 712.312 Kieu he thong phan phai 712.312.2 Ki6u not dAt he the-mg Cho phep not d'At mot cac day dAn mang (lien tren phia mot chieu, n6u CO toi thi6u each ly clan gin giCra phia xoay chi6u va phia mot chi6u CHU THIGH: DAu n6i !At kjr veri d'At tren phia met chieu can duvc not (lien c1e tranh an mon 712.4 Bao v0 an town 712.41 BA° ve chiSng clien gia't Thiet bi quang din ten phia mot chieu phi duvc coi 16 mang diOn, c6 hO thOng bi ng6t khOi phia xoay chieu ChQn va I6p rap thi6t bi phi tao thOn Icyi cho vi0c ba'o tri an toan va khong du'crc 6nh hu'&ng ba't icri den cac dcr phong cua nha ch6 tao thiet bi quang din nhAm thtyc hiOn cac cong vi0c 1D6o tri hOic b6o citrOing met cach an Wan 10 TCVN 7447-7-712:2015 712.411 BA° ve ch6ng ti6p xuc tripc ti6p Ira gian ti6p 712A11.1 Bac) ve bing dien Ap ctyc thAp: SELV ye PELV D6i vOi he thOng SELV va PELV, Uoc sTc thay cho Un N/A khOng duvc vuvt qua 120 V mot chi6u 712.413 Bao v§ Sty c6 712.413.1 Bac) y"0 lAng cach ty' Ong ngAt nguon CHO THICH: Bao ve bh'ng cach dOng ng6t ngu6n tren phia mot chi6u doi hal cac bien phap dac bi0t, cac bin phap gang duvc xem xet 712.413.1.1.1.1 Then phia xoay chieu, cap nguon quang din phi duvc not vo'i phia ngu6n cua thie't bi boo vO doi vOii tv, Ong ng6t cac mach din cap nguon cho thiet bi su, dyng clang 712.413.1.1.1.2 Trong tutting hgp hO th6ng din co h0 thong nguon quang then khong co cach ly dun gran t61 thi6u giCfa phia xoay chi6u va phia mot chieu, ROD duvc l6p de IA° vle su' c6 bAng cacti tV dOng ng6t ngu6n phi ki4u B theo IEC 60755, sil,a d6i Trong tru,O'ng hop b0 nghich lu'u quang diOn, 1(61 ca'u, khOng co kh6 nang du'a cac bong din su' Co mot chieu vao h0 thong diOn, khong yeu cAu ROD kiL B theo IEC 60755, siva d6i 712.413.2 B6o v;e bang cach six dung cach then cap II hoc cach din timing &rang can duvc u'u tien cho phia mot chieu 712A13.3 Bdo vie bAng cac vi trl khOng clgn din IA khong du'cYc phep tren phia mot chit3u 712A13.4 136o vO bgng lien kat d6ng the CVC b() khOng not dot IA khOng duvc phep ten phia mot chieu 712.433 Bac, ye ch6ng qua tai tren phia mot chi6u 712.433.1 Cho phep be) qua bao vle chong qua tai cua cap chtfoi quang din N/A cap day quang din n6u kh6 nang mang dong lien tyc cua cap bgng hoa"c Ian hurl 1,25 lAn isc STC tai vi tri 136tki 712.433.2 Cho phep bo qua bao v:e chOng qua tai cua cap quang din chinh n6u MI6 nang mang &Nig lien tyc cua cap bAng hoc Ian hurl 1,25 ran isc sTo cua be) phat quang diOn CHU THICH: YOu chu d61 vai 712.433.1 va 712.433.2 chi thfch hap cioi v&i 136o v0 cap Xem hu'O'ng dan cua nhA the too c16i vc51 bac) y0 ma dun quang diOn 712.434 Bao yip; thong dong din ngAn mach 712.434.1 Cap ngul5n quang din ten phia xoay chi6u pha'i duvc b6o ve b6"ng thi6t bi bgo ve nga'n mach hOc thi6t bi bao ve0 qua clang lap tai di:6m n6i d6n ngu6n lu'&i xoay 11 Pk ± 4.fto 2.S (100— E50%chophep) E50%chophep Hoac 4Po+ Pk 2.S.0.00— E50%chophep) ;3) ( E50%chophep Nhu' vay la to cia bin c1.oi du.o.c Ur ding thut cong thirc va Trong do: E50% cho phep, la Hieu suAt rang luvng cho phep dm MBA, tinh bang pl-In tram Gia tri cu.a E50% cho phep, cho bang 1, TCVN 8525:2010 Vi du: MBA phan phi dAu Sclm = 400KVA, TCVN 8525:2010 yeu cAu: E50% > 99,08 % Thay E50% ? 99,08 % vao cong thirc (3), to tinh duvc 4Po + Pk < 7,428 kW, NghTa la cl6i voi MBA 400KVA, cle clat E50% > 99,08 %, thi Po, Pk can phai them man 4Po + Pk < 7,428 kW Gia tri 16.n nhdt cho phep dm Po va Pk bat clang thirc trOy dug thfrc, nghia la: 2.S.(100 E50%chophep) 4Po + Plc = ; (4) E50%chophep Bat 23.(100— E50%chophep) E50%chophep tong thdec se la: =A 4Po + Pk = A; (5) Trona dó: Po va Pk la gia tri 16.n nhAt cho pile') ma MBA van dat TCVN 8525:2010 Ta thay with mot MBA có S xac dinh, thi A se la Wang so (vi vth mOt S xac dinh, thi 50%chophep cling dirge xac dinh theo bang TCVN 8525:2010) Can dr cac tieu chuAn Nf' tan hao MBA dm cac cong ty dien 1irc, to co tli" so sanh hien suit MBA theo tieu vth TCVN 8525:2010 chuAn cua cac ding ty So SANH MEPS 8525 Val TIE U CHUAN ToN HAO MBA CAC CONG TY DI eN 0.995 0.99 0.985 - 0.98 0.975 31.5 50 75 100 160 180 250 320 400 560 630 750 800 1000125015001600200025003000320035004000 HCM -IN mmtim,,,,,a4SPC (8525) Qua d6 thi so sanh, nh'0.n thy h'au het cac tieu churn rieng cua cac ding ty then Itrc deu dap irng yeu c'au cua TCVN 8525:2010 lien itrc Ha NOi la clan vi nhAt dat MEPS 8525 tat Ca cac cap cong Dien lye TP.HCM va SPC chi có MBA cong sudt 2500KVA la khOng that MEPS, nhien sai so la khong ding ke (0.06%) • Tuy nhien, lien ltrc mien trung va khach hang hien da so khong dat guy dinh MEPS 8525 Capacity (KVA) , Hanoi HCM 31.5 SPC CPC MEPS (8525) NPC Hanoi SPC CPC 0.19% NPC 0.9834 _ 0.9852 - HCM ItY_,Op 0.9827 50 75 0.985 0.9837 _ , _ N/A 0.21% ,- 100 0.9897 , 0.9848 0.9876 0.9887 0.18% 0.18% 160 0.9905 0.9905 0.9864 180 0.9905 _ 0.9909 0.9905 0.9879 0.9871 N/A 250 0.9921 0.9916 0.9921 0.9892 0.9880 0.9898 320 0.9924 - 0.9926 0.9924 0.9895 0.9895 N/A 0.9898 0.9908 400 _ 0.9925 0.9928 0.9931 0.9898 560 0.9936 0.9933 0.9936 0.9915 _ 0.9905 630 0.9931 0.9935_ 0:9931 0.9908 0.9907 0.9917 _ 750 0.9932 0.9934 0.9932 0.9893 0.9906 0.9921 _ 800 0.9935 N/A 0.9935 0.9899 N/A , 4:, 0.24% 0.18% 0.24% AIM qt:04, 0.18% 0.21% 0.23% - raTitig.: i',;, N/A 0.9922 0.14% 0.19% 0.14% ititstrf ';'04(!,.', 0.12% 0.14% 0.12% SiOi:' 'OM, * 0.13% 0.00% 0.13% WM,* A;; 0.11% 1000 0.9938 0.9934 0.9938 0.9906 0.9906 0.9927 1250 0.9941 0.9940 0.9941 0.9925 0.9915 0.9931 1500 0.9937 0.9944 0.9941 0.9918 0.9917 0.9935 1600 0.9941 N/A 0.9941 0.9923 N/A 0.9936 2000 0.9942 0.9945 0.9942 0.9922 0.9922 0.9939 2500 0.9934 0.9949 0.9934 0.9928 0.9928 0.994 0.9952 0.9931 0.9925 0.9931 N/A 0.9932 0.9930 N/A N/A 0.10% - 0.08% 0.11% 0.10% 0.10% 0.09% 0.06% CikilW1 0.05% Oki OA fifot* gm litiV : -,, 0.05% 3200 _ N/A 3500 0.9953 0.9935 0.9933 N/A 4000 0.9954 0.9939 0.9935 N/A MO _ 0.02% 3000 ' 0.04% 0.07% 0.04% Mk 0.10% mitY?, 6 WV Hien nay, TCVN 8525 :2010 chua de cap d6n so cap cong suit dm may bin dp clang san xuat N/A sir dung tren thi trueyng nhu :l80KVA,320KVA,560KVA va cac ding suit lan tir 3000KVA cen 4000KVA Theo quy dinh cua TCVN 8525, cac cong suit chin de cap thi se sir dung phtrang phap not suy Tuy nhien, sai se) dm hieu suit IA rat nho gifra cac cap ding suit nen phuong phap not suy se gay lung bang cho ca nha san xuat va ngtroi tiou &mg Tham khao tieu chuAn hi0 suit khfic: Dal Loan Id nhang quo'c gia tien tie'n, di du link vac hien suit nang hrong, có quy dinh hiu suit MBA Tidu chud'n hieu suit (MEPS) cho MBA loci Three/Oil pha/dAu Single/Oil pha/dAu kVA 11 Pk 46 17 32 10 45 15 25 65 37.5 90 50 110 145 75 100 175 167 - 260 250 350 430 333 580 500 76 136 179 270 360 460 , 650 820 1220 1690 2130 2850 720 3620 667 Po Pk/Po 4.18 4.47 4.25 3.98 4.15 4.00 4.20 4.48 4.69 4.69 4.83 - 4.95 4.91 5.03 kVA 98.52% _98.58% 98.70% 15 98.82% _ 30 98.95% 45 99.05% 99.11% 75 112.5 99.19% 99.25% 150 - 99.33% 225 300 99.39% _ 99.43% 500 750 99.49% if PO 46 90 132 210 365 520 770 1070 1350 1870 2400 3610 4950 99.52% 1000 1300 6360 1500 1750 8830 833 840 4250 5.06 99.55% 1000 930 4810 5.17 99.58% Pk/P0 Pk 11 , 22 32 50 87 116 175 245 300 410 510 745 1045 _ /7 4.18 4.09 4.13 4.20 4.20 4.48 4.40 4.37 4.50 4.56 4.71 4.85 4.74 98.52% 98.54% 98.58% 98.65% 98.83% 98.92% 99.03% 99.10% 99.16% 99.23% 99.27% 99.35% 99.40% 4.89 99.43% 5.05 99.48% 2000 2170 11210 5.17 99.51% 2500 2600 13400 5.15 99.53% 3000 2950 _ 15600 5.29 99.55% So sanh vii TCVN 8525 cho thy tieu chulan cua Dai Loan cao horn binh quan 0.60% 99.80% khac bit 0.50% j- 0.50% 99.40% ccu- :0.43% 7• 99.20% - 0.40% 99.00% 0.34 98.80% Tx- 0.30% 98.60% 98.40% 019% - 0.20% 0.16% 98.20% 98.00% 0.10% 97.80% Khac bit 97.60% In o ill 1-1 1-1 CY) 0 o Ln 0 0 0 r4 0 try 01 t.D r.4 m m :1* to to 0 0 0 0 to N CO 0 to eq V) (.0 0 LI) "-I T-1 ri ri N N Dai loan 0 m Vietnam Tieu chulan h* suit (MEPS) cho MBA loci Icho pha: (BIL) Po Pk >95kV 46-95kV 20-45kV kVA Pk/PO Po Po Pk 80 335 4.19 97.86% Pk/P0 15 70 300 4.29 98.10% 25 105 430 I 4.10 98.33% 115 500 4.35 98.12% 37.5 140 590 4.21 98.49% 155 680 4.39 98.30% Pk Pk/Pa 50 170 745 4.38 98.60% 190 850 4.47 75 230 1015 4.41 98.73% 260 1140 4.38 98.42% 98.57% 270 1160 4.30 98.53% 100 280 1275 4.55 98.82% 320 1425 4.45 98.67% 330 1460 4.42 98.63% 167 400 1920 4.80 98.96% 460 2130 4.63 98.83% 470 2190 4.66 98.80% 250 540 2550 4.72 99.07% 600 2930 4.88 98.95% 630 3010 4.78 98.91% 333 650 3210 4.94 99.14% 740 3590 4.85 99.03% 770 3740 4.86 98.99% 500 880 4390 4.99 99.22% 990 4960 5.01 99.12% 1020 5150 5.05 99.09% 667 1080 5550 5.14 99.27% 1210 6250 5.17 99.18% 1260 6460 5.13 99.15% 833 1260 6610 5.25 99.31% 1410 7370 5.23 99.23% 1460 7670 5.25 99.20% 1000 1410 7540 5.35 99.35% 1560 8360 5.36 99.28% 1630 8690 5.33 99.25% 1500 1670 9150 5.48 99.48% 1800 9840 5.47 99.44% 1900 10350 5.45 99.41% Tieu chuAn hien suit (MEPS) cho MBA loai ldi3 pha: _ (B IL) 46-95kV 20-45kV >95kV kVA Po 15 30 _ 45 75 112.5 150 225 300 500 750 1000 1500 2000 2500 3000 4000 Pk Pk/PO /1 PO 95 390 4.11 97.50% 105 155 670 4.32 97.90% 175 210 905 98.10% 235 4.31 300 1355 4.52 98.33% 340 400 1790 4.48 98.52% 440 480 - 2200 98.65% 530 4.58 620 2910 4.69 , , 98.82% 690 740 3560 4.81 98.93% _ 820 1030 5110 99.09% 1150 4.96 1330 6700 5.04 99.21% 1480 1600 8200 99.28% 1780 5.13 2070 99.37% 2300 10890 5.26 2470 13250 5.36 99.43% 2770 2840 15530 5.47 99.47% 3160 3110 17400 99.51% 3500 5.59 3860 21930 5.68 99.54% 4360 Iv IrciOT ILUAN 1124, Pk Pk/PO ii Po 450 4.29 97.18% 755 4.31 97.63% 1030 4.38 97.86% 1500 4.41 98.13% 2000 4.55 98.36% 2430 4.58 98.51% -3230 - 4.68 - 98.69% 750 4.84 98.81% 900 3970 4.91 5650 98.99% 1260 7470 5.05 99.12% 1650 5.12 9110 99.20% 1980 99.30% 2600 12100 5.26 14880 5.37 99.36% 3120 17280 5.47 99.41% 3590 19450 5.56 99.45% 4000 24780 99.48% 5030 5.68 Pk Pk/Po 3540 4.72 4390 4.88 6240 4.95 8320 5.04 10140 5.12 13640 5.25 16730 5.36 19610 5.46 22340 5.59 28570 5.68 /I 98.57% 98.69% 98.88% 99.02% 99.11% 99.21% 99.28% 99.33% 99.37% 99.40% NGP May bin ap phan phi la ph'an tir rat quan trong he tho'ng phan ph& die'n, no Op Oran vao ton hao chung cua toan he thtmg Viec quy dinh ve hieu suit cila MBA la vo cung quan tong v* dam bao sir dung nang lugng hi@.1 qua va giam ton that Do v4y, can lien tuc soat xet va nang cao TCVN 8525 TCVN 8525 :2010 chua de cap an may bin dp loaildiO Day la xu huang tat yeu tuang lai ve sir dung MBA loai kho he th&g D4c biet d6i vcYi cac cong trinh cao 6c, van phong, khach san nai có yeu cAu cao Nr'' an town chay no Do v:ay kin nghi NI sung may hien fip phan phi logi kith vao TCVN 8525 laaa soat xet tot Trong phien ban hi4 tai cua TCVN 8525:2010 chua de cap den quy dinh nide MEPS cho mOt so loai MBA phan phi thong dung :180 KVA, 320KVA, 560KVA Ngoai ra, mot so loai co cong suit lin tir 3000KVA den 4000KVA cling chua a cap N6u sir dung phi.rong phap not suy theo TCVN 8525:2010 thi se gay lung bang vi& thirrc hien d61 vii nha san xudt, cung cap cling nhu nguCti tieu dung Vi v4y kin nghi aura them quy dinh cc' the cho cac cap cong suit Qua Ichao sat cho thdy, viec cung cap cac MBA dat quy dinh hi@u suit theo TCVN 8525:2010 khong phai la troy ngai cho cac nha san xuAt va cung cap thie't bi nu& vi vii TCKT hien hanh cua cac Cong ty dien lvc vat mr:rc yeu eau tuang throng hoac cao han da saw dap fang Do v4y vigc sok xet va Wang cao tuft MO suit kitting la tr.& ngai ma gitip nginh ch6 t3o may bin fip phan phOi nulk cang deli mai cong ng14 va tqm can vai quik Song song do, cac cong ty c ien lirc thuOc EVN hien dang nghien cfru duia vao sir dung cac MBA ton hao thAp/ra't t1-4 nham dam bao yeu cau giam ton thiAt he thong, phAn dau dqt tieu chan voi cac quo'c gia khu vuc Vi the, tuning lai gin cac nha san xudt va cung cap may bin dp se phai tax hieu chinh theo huarng d6i mai cong ngl*' darn bao clap frng yeu cau cua thi tru&ng Qua lchao sat cac tieu chuAn hi@.1 clang dp dung cua quo'c gia, quiSc to va cua cac cong ty dien lvc, ding nliu tinh hinh cong nghe, nang lvc cua cac nha san xuat nuac, huang de xuat soat xet TCVN 8525:2010 theo dinh htrang nhu sau: - Phu hgp xu th6 phat trie'n v&' ming cao hien suAt, tiet kiern va sir dung Wang ltrgng hiu qua theo dinh Quo'c gia - Phi t hgp va thuc dAy cai ti6n, nang cao Wang lvc san xuat nOi dia Dtmg bo h6a cac tieu chan, gop phan nang cao hieu qua san xuat, giam gia va ti et - Chon rnirc hieu sudt cua cac cong ty dien hit lam chan xay dung - Cap cong suit cao han c6 mirc hi'e'u sat cao horn ong c suit s uat cac cap - Quy dint' clay du ml:rc hie:u - Nang dAn mirc hieu suat tip can quoc to * suat (KVA) CPC - tzitt.lz, I'l Pr iltitt,14,r ' '4, 0.9853 0.9827 : 0-.9837 len11111•1 50 sit.:}1- ,,,; Itt fi 111011111•11 M7 0i`9897, 100 160 180 250 320 400 560 630 750 800 1000 1250 1500 1600 2000 2500 3000 3200 3500 4000 ' 0.9905 0:99- 05 a- 0.9921• - 0.9924 0.9926 0.9937 0.9931 0.993 0.9935 , 0.9938 , 0.9941 9937 0.994 :=•• 0.9943 0.9934 ! ., r,0.99 0.9909 0.9916 0.9926 0.9929 0.9933 0.9935 0.9935 0.9935 0.9941 0.9944 0.9946 0.9950 0.9952 0.9954 0.9955 „ 0.9849 ' 0.9865 ib,::, , 0.9880:„s" : ;NC ' : , l 0.9892 ,., 0.9895 , ,,r 44.; :ki,,Iff' 0.9899 4' 29 vi0.9916 ,:: 1.4.:7 : 11 ;::-.;.'.r.; 1,9 st:‘,, •: - 0.9908 , 9933 t,:::;, 0.9893 „., IN 0.9900 0.9907 ,i-Wi7:":0 s , ; : - 0.9925 0.9918 9941r , , s u ' 0.9923 0.9923 , 0,09:43' 0.9929 1, !::;:,?„1:fr 0.9926 f45;0 993Pi • e :f , : ': 0.9930 r,.1 Y '.0:Q ,,.:., *.! 7., < '` , :.0, - ' Nt '63 Ni C suy TC CPC TC HN C HCM*Ch6 thich: ch9n1QC tit cac TC dia cac COng ty DiOn !tic , MEPS 2010 De xuat 1- TCVN 8525 (trung binh) 0.9853 0.9827 0.9837 0.9873 0.9892 0.9894 0.9906 0.9913 0.9917 0.9926 0.9923 0.9920 0.9923 0.9925 0.9933 0.9932 0.9935 0.9935 0.9935 0.9935 0.9932 0.9941 0.9943 De xuat - TCVN 8525 (chQn 19c) - 0.9853 $, 7:4;, o' 8l '17 F; a v;?.:;,,,.: 4, _ I , :::„ ;,:1,4 s - -N.,„ ,: ,,igt-; s's 1gV 0.9909 0.9916 0.9926 0.9929 0.9933 0.9935 0.9935 0.9935 9938 , -, 0.9941 0.9944 0.9944 0.9946 0.9950 0.9952 0.9952 0.9954 0.9955 1.0000 0.9950 , • • Ira 0.9900 — — - - — — —— - — _ -w.- - ' - -,-, (cu j i 0.9850 -7. e x at — ffe xugt •_ / . _ _ 0.9800 0.9750 cp 00 cbo 5) 4) 43o co 4,o ,z)o ,z,o A 93 4;b4Q, 11, o Cr3Q4 00 4c 1) ) Dua theo cac tieu chi nhu ten, de xuAt soat xet TCVN 8525 nhu sau: +D(ii voi MBA dau: de xuAt 02 phtromg an: - D xuAt (mire trung binh): • • 331 ' xuAt clip tren binh quan rink suit nang luomg ciia cong ty then luc Phuang an giup nang binh quan mirc hien suit cho MBA, nhien chua co mirc tang An d6ng b0 a tat ca cac mire Tuy nhien phuang an c6 the giup giam gia dm MBA • xuAt (rm:rc chon loc): Je xuAt Oa tren lay tieu chuAn TC EVN Hanoi ciia Cong tylien luc Ha NOi lam chuAn Tieu chuan " dire chon da quy dinh a hAu het cac mirc ding suit, dong tiled mire hien suit tang clan theo cap ding suit vii mutt tang rat hap ly Ira d6ng 1340 D6i cac cap cong suit chua c6 tai TC EVN Hanoi, de nghi sir dung mire hie.0 suit to cac cong ty khdc nhu CPC, SPC va HCM Rieng a cac mirc ding suit 800KVA, 1600KVA va 3200KVA cac mac hieu suit tai cac tieu chuan j khdc c6 quy dinh nhung clam phil hap voi tieu chi tang dn Do vay, tai cap cong suit nay, mirc hi@.1 suit se sir dung phuang phdp not suy ▪ Phuang an giiip cai thien ro ret mirc hia0 suit cho MBA tat ca cac mirc cong stilt, the hin rO tieu chi h* suit cao han tloi vii MBA cong suit cao han • Phuang an phii hop dinh hating giam ton hao ten he thong phan pho'i dien thori gian cfia cac Cong ty luc va Qu6c gia • Tuy nhien phuang an c6 the lam tang gia -FDIR vCri MBA kho: Sir dung chung mirc higu suit voi MBA clAu • Thong thuomg, MBA loai kho yeu cau c6 rnirc hieu suit cao han so voi loai MBA &Au ding cong suit clieu kien giai nhiet klfat khe han san xuAt loai Tuy nhien diL nay, chi mot vii nha san,xuAt ntrac có sin xudt nht.r THIBIDI, HANAKA,TBT,ABB Do v4y trait mat de xuat sir duni mfre hieu suit dm MBA loai dau cho loai kho TCVN TIEU CHUAN QUI5C GIA TCVN 8525:2015 Xuit ban ran MAY BIEN AP PHAN PHOI Hieu SUAT NANG LUVNG TAI THIEL) VA PHLYONG PHAP XAC DINH HIED SUET NANG LLYO'NG Distribution transformers — Minimum energy performance and method for determination of energy efficiency HA NC:A — 2015 TCVN 8525:2015 Myc luc Trang Lad not cau Pham vi ap dyng TN liOu vin d5n Dinh nghia 3.1 May bien áp phan phoi 3.2 HiOu su6t nang Iu'cing 3.3 HiOu su6t nang Itygng to' thiL lieu chu ks■ thuOt 4.1 You cau ve tinh nang 4.2 Yeti c6u ye hiOu suit nang luvng Phu'o'ng phap xac djnh hiOu suit nang hiving 5.1 Di6u kiln thCz nghiOm 5.2 Phirang phap 5.3 Xac dinh hiOu suAt nang Iu'cYng TCVN 8525:2015 LAM not TCVN 8525:2015 thay the TCVN 8525:2010; TCVN 8525:2015 Ban k9 thuOt tieu chuAn qutSc gia TCVN/TC/E1 May din va cy (NO bier, soon, Tong cyc Tieu chuk Do Iu'&ng Chat Iu'crng cTe nghi, BO Khoa tux va C6ng ngh0 tong TIEU CHUAN QUOC GIA May bien ap han ph6i MCrc hiOu suit nang luvng t6i thi6u hiOu suk nang luvng TCVN 8525:2015 phwang phap xac dinh Distribution transformers Minimum energy performance and method for determination of energy efficiency Pham vi ap dung Tieu chu6n qui dinh ve rnGic va phu'o'ng phap xac dinh-mik hiOu suit nang luvng toi thiL ap dyng cho cac may bier) áp phan phoi ba pha lopi ngam tong dau va lop' khO, có cOng suet danh dinh d6n 000 kVA, co diOn áp danh dinh den 35 kV, va tan só danh dinh 50 Hz Tieu chu6n khong áp dyng cho mOt só lopi may bien áp dac biOt nhu': - May bien ap ba pha co cong suit danh dinh nh6 flan kVA; - May bien áp khong co cuo:n day cO din áp danh dinh Ian ham I 000 V; - May bien áp luteng; - May bien äp dung cho cac phipang tiOn Ice° du'cvc I6p clOt ten dau keo; - May bien áp dung a khosi dOng; - May bien áp dung cho thCr nghi0m; - May bien áp han; - May bier) áp, chiu chay, may bien áp phong no Ira may bien áp dung cho ma' hhm 16; - May bi4n áp dung cho Cmg dyng ng# - sau; May Nen áp chinh It.ru ; - May Nen áp lo tit) quang; - May bien dp dCing cho cac Cing dog ngoei kho'i; - May Wen áp dung cho hO thong* dot di ding khAn cap hoc t?m that - May bien 613 dung de not dt; - TCVN 8525:2015 — May !An áp tur ng5u; — May bien áp ba pha co nhieu han hai cuOn day ten m6i pha; — May Wen áp cung cap diOn khOng gian (UPS); — May Nen ap co trey khang nho han % ho0c Ion han %; ho0c — May bien áp duvc thiet Ice d tan so khac v&i 50 Hz Tai lieu vin dAn Cac tai lieu vin dan sau la can thi6t cho viOc áp dung tieu chuAn DOI voi tai lieu vin dan ghi nam cong bo, áp dung ban duvc neu 06i vOri tai lieu vin dAn khang ghi nam cong bo thl áp dung ban moil nh6t, bao g6m ca cac sCra doi TCVN 6306-1 (IEC 60076-1), May bign 6p &On Ivy — PhAn 1: Quy clinh chung TCVN 6306-11:2009 (I EC 60076-11:2004), May /lien ap cliOn lyc — PhAn 11: May bi4n 6p kigu kha ThuOt ng0, Ira Minh nghia Tieu chuk ap dung cac thuOt ngry va clinh nghia lien quan neu TCVN 6306-1 (IEC 60076-1), TCVN 6306-11 (IEC 60076-11) va cac thuOt ngCr va clinh nghia sau 3.1 May bi6n ap phan ph6i (distribution transformer) May bi4n ap co: — din áp dau vao danh Binh nho han ho0c bang 35 kV; din áp dau danh djnh nho han ho0c bAng 0,4 kV; tan so lam vi0c danh crinh 50 Hz 3.2 May bi6n ap phan phi loqi ngam diu (oil-immersed type distribution transformer) May bi4n ap phan phoi ma mach tir va cac cuOn day duvc ngam 3.3 May bi6n ap phan ph61 lo9i khe• (dry-type distribution transformer) May bien ap phan phOi ma mach tir va cac cuOn day khong du'cic ngam chAt long cach diOn 3.4 He s6 tai (load factor) Ty só giCYa dung din vao thvc va clang dien danhclinh cCia may bi4n áp TCVN 8525:2015 3.5 Ton hao khOng tai (no-load loss) Cong suet tic dyng bi 1-16p thy dat diOn ap danh dinh (diOn áp nacc cTi6u chit-1h) CO thn só danh dinh len cac dau not cue mot cac cuOn day, cuOn day hoc cac cuOn day khac de hee mach 3.6 Ton hao co tai (load loss) Ur-1g suet tic dung bi hhp thy CY thn s6 danh dinh va a nhiOt dc) chuan, On lien vii mot cap cuOn day clang diOn danh dinh (clang diOn nac dieu chinh) di qua cac dau cac dAu not pha cue mot cac cue)n day, not dia cuOn day duvc not tat Cac cuOn day khac, neu co, a h& mach 3.7 Hi4u suit nang luvng (energy efficiency) Ty so tinh bang phhn tram giCva cOng Nen ap phan ph6i, WO suet tic dung dau va cong suet tic dyng dau vac) cua may so tai 50 % va hO 56 cOng suet bang You cAu kjf thu4t 4.1 Yeu au v6 tinh Wang May bi4n áp phan phoi phai dap Ong cac yOu cAu ve tinh Wang qui dinh TCVN 6306-1 (IEC 60076-1), va, dOi vol may !Dien áp ki6u kho theo TCVN 6306-11 (IEC 60076-11) 4.2 Yeu cau v6 hiou suit 'fang kyceng HiOu suet nang luvng dm may bin ap phan phoi khong duvc nh6 hurl gia tri quy dinh 136ng TCVN 8525:2015 Bang — Gia tri hiOu suit nang luvng t6i thi6u (MEPS) cua may bin ip phan ph6i ba pha loqi ngam d'au Ira loai kho Cong suit dank dinh kVA WO suit Wang Imeng t61 thi6u MEPS (%) 25 98,28 31,5/32 98,34 50 98,50 75 98,62 100 98,76 125 98,80 160 98,87 180 98,92 200 - 98,94 250 98,98 315/320 99,04 400 99,08 500 99,11 560 , 99,13 630 99,17 750 99,21 800 99,22 000 99,27 250 99,31 500 99,35 600 99,36 000 99,39 500 99,40 000 99,50 200 99,52 500 99,54 000 99,55 CHID THiCH: Doi v&i cac gia tri cong silk trung gian, hiOu suit nang Iu'cing duvc tinh bang cach nOi suy tuyen tInh Phuhyng phap xac dinh hiOu suit nang luvng 5.1 Dieu kien Cac phep tem hao phi &MC thvc hiOn cac dieu kin qui dinh TCVN 6306-1 (IEC 60076-1), va TCVN 630611 (IEC 6306-11) cioi voi may bin bp kilo TCVN 8525:2015 5.2 Thiet bi Thiet bi dung a xac dinh fon hao cua may bien áp phan phoi phai dap Crng cac you cAu quy dinh TCVN 6306-1 (IEC 60076-1) DO chinh xac cua thret bi phai nAni cac Ilan qui dinh Bang Bang — D chinh xac cua thi6t131 Doi luvng O chinh xac cua thi6t bi COng suit ±2% Dien ap ± 0,5 % Dong diOn ± 0,5 % DiOn fro' , NhiOt=d0 ±0,5 % ± 1,0 _°_C- 5.3 Phyang phap Cac phep ton hao ph6i cluvc thyc hiOn theo TCVN 6306-1 (IEC 60076-1), ho0c TCVN 6306-11 (IEC 60076-11) doi veyi may bien áp khO, & WO so tai 50 % va WO so cong swat bAng 1, 5.4 Xic dinh hiOu suit nang luvng HiOu suit Wang luvng xac dinh theo cong thin: E50% = 05.S x100% 0,5 S + 0,25 Pk +P0 E50% hiOu suit tinh bAng phAn tram cua may bien ap &110 so tai 50 % va hO so cong suit bang 1; S cong suit danh dinh cua may Nen ap phan phoi tInh bang:kVA; Pk ton hao co tai cua may bien ap phan phoi, tinh bang kW; Po - ton hao khong tai cua may bien ap phan phoi, tinh bang kW Ket qua tinh toan E50% phai duvc hiOu chinh ye nhiOt chan 75 °C theo TCVN 6306-1 (IEC 60076-1) doi vii may bi4n áp loai ngam dau va nhiOt tic) chi& theo cac qui dinh chung cho tht) nghiOm cua TCVN 6306-11 (IEC 60076-11)016i vt.ei may Wen ap lop' kho ... D6' nghi Ton clic Tieu chuAn Do luong Ch luau b6 tieu chuAn ten cue Ap dung pham vi nuac Cac tieu chan thuOc dang Ichuyen chuan cho chuow khich a.p dung Tuy nhien guy& dinh sir dung trinh dan nhan... (IEC 60076-11) V Mai lien quan ctia thao tieu chuan yeti cac tieu chuan va ngoai nuirc cling nbar cac qui dinh hien hanh thy did° tieu chua.n neu ten dugc x'ay dung theo phuong phap tv xay Ong,... cQn duvc TCVN 6306-1:2015 cac chOng 14 may bi4n ap diOn lvc va cuOn khang cia co tieu chuAn rieng thi tieu chu6n 06i chi áp dung pham vi nhAt Binh duvc vin dAn cac tieu chuk rieng Dä co cac tieu