BS EN 61400-25-6:2017 BSI Standards Publication Wind energy generation systems Part 25-6: Communications for monitoring and control of wind power plants — Logical node classes and data classes for condition monitoring BS EN 61400‑25‑6:2017 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN 61400‑25‑6:2017 It supersedes BS EN 61400‑25‑6:2011, which is withdrawn The UK participation in its preparation was entrusted to Technical Committee PEL/88, Wind turbines A list of organizations represented on this committee can be obtained on request to its secretary This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application © The British Standards Institution 2017 Published by BSI Standards Limited 2017 ISBN 978 580 94135 ICS 27.180 Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2017 Amendments/corrigenda issued since publication Date Text affected BS EN 61400‑25‑6:2017 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN 61400-25-6 April 201 ICS 27.1 80 Supersedes EN 61 400-25-6:201 English Version Wind energy generation systems Part 25-6: Communications for monitoring and control of wind power plants - Logical node classes and data classes for condition monitoring (IEC 61 400-25-6:201 6) Systèmes de production d'énergie éolienne Partie 25-6: Communications pour la surveillance et la commande des centrales éoliennes - Classes de nœuds logiques et classes de données pour la surveillance d'état (IEC 61 400-25-6:201 6) Windenergieanlagen Teil 25-6: Kommunikation für die Überwachung und Steuerung von Windenergieanlagen - Klassen logischer Knoten und Datenklassen für die Zustandsüberwachung (IEC 61 400-25-6:201 6) This European Standard was approved by CENELEC on 201 7-01 -20 CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member This European Standard exists in three official versions (English, French, German) A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 7, B-1 000 Brussels © 201 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members Ref No EN 61 400-25-6:201 E BS EN 61400‑25‑6:2017 EN 61 400-25-6:201 European foreword The text of document 88/606/FDIS, future edition of IEC 61 400-25-6, prepared by IEC/TC 88 "Wind energy generation systems" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61 400-25-6:201 The following dates are fixed: • latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 201 7-1 0-20 • latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-01 -20 This document supersedes EN 61 400-25-6:201 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights Endorsement notice The text of the International Standard IEC 61 400-25-6:201 was approved by CENELEC as a European Standard without any modification In the official version, for Bibliography, the following note has to be added for the standard indicated : IEC 61 400-25 NOTE Harmonized in EN 61 400-25 series BS EN 61400‑25‑6:2017 EN 61 400-25-6:201 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application For dated references, only the edition cited applies For undated references, the latest edition of the referenced document (including any amendments) applies NOTE When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies NOTE Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu Publication IEC 61 400-25-1 Year 2006 IEC 61 400-25-2 201 IEC 61 400-25-3 201 IEC 61 400-25-4 201 IEC 61 400-25-5 — 1) IEC 61 850-7-1 201 IEC 61 850-7-2 201 Title Wind turbines - Part 25-1 : Communications for monitoring and control of wind power plants - Overall description of principles and models Wind turbines - Part 25-2: Communications for monitoring and control of wind power plants Information models Wind turbines - Part 25-3: Communications for monitoring and control of wind power plants Information exchange models Wind energy generation systems Part 25-4: Communications for monitoring and control of wind power plants - Mapping to communication profile Wind energy generation systems Part 25-5: Communications for monitoring and control of wind power plants - Conformance testing Communication networks and systems for power utility automation - Part 7-1 : Basic communication structure Principles and models Communication networks and systems for power utility automation - Part 7-2: Basic information and communication structure - Abstract communication service interface (ACSI) EN/HD EN 61 400-25-1 Year 2007 EN 61 400-25-2 201 EN 61 400-25-3 201 EN 61 400-25-4 201 EN 61 400-25-5 — 1) EN 61 850-7-1 201 EN 61 850-7-2 201 ) To be published BS EN 61400‑25‑6:2017 EN 61 400-25-6:201 Publication IEC 61 850-7-3 Year 201 ISO 3373-1 2002 Title Communication networks and systems for power utility automation - Part 7-3: Basic communication structure Common data classes Condition monitoring and diagnostics of machines - Vibration condition monitoring - Part : General procedures EN/HD EN 61 850-7-3 Year 201 - - BS EN 61400‑25‑6:2017 –2– I EC 61 400-25-6: 201 I EC 201 CONTENTS FOREWORD I N TRODU CTI ON Scope N orm ative references Term s and d efin iti ons Abbrevi ated term s General Overview Con di tion m on itorin g i nform ati on m od el li ng Coordi n ate system applied for id entifyi n g d irecti on an d an gl es 5 Operation al state bin cept General Exam pl e of h ow to use active power as an operati on al state 6 Logical nod es for wi n d tu rbin e di tion m on itorin g 6 General 6 Logical nod es i nh erited from I EC 61 400-25-2 Wind turbi n e cond i tion m on i torin g log ical n od e WCON General CDCs appl icable for th e l ogical n od e WCON Com m on d ata cl asses for wi nd turbin e cond i tion m on itori n g General Com m on d ata cl asses d efin ed in I EC 61 400-25-2 Con di tions for d ata attribute i nclusi on Com m on d ata cl ass attri bu te nam e sem an tic Con di tion m on itorin g bi n (CM B) 20 Con di tion m on itorin g m easurem en t (CMM) 21 7 Scal ar valu e array (SVA) 22 Com pl ex m easu rem en t valu e array (CM VA) 23 Com m on d ata cl ass CM M attri bu te defin i ti ons 24 General 24 Attri bu tes for di ti on mon itori n g m easurem ent d escription 25 General 25 2 Con dition m on itorin g sen sor (trd) 25 Shaft id entificati on (shfI d ) an d beari ng positi on (brg Pos) 30 Measurem ent type (m xType) 31 Ann ex A (inform ati ve) Recom m end ed m xType val ues 33 A General abou t tag n am es an d datan am es of the WCON Cl ass 33 A Mappin g of m easurem ent tags to m xTypes 33 A General 33 A 2 Scalar val u es (M V)(Descri ptors) 33 A Array m easurem ents (SVA) – Freq u ency d om ain 33 A Array m easurem ents (SVA) – Tim e d om ain 33 A m xType val u es 33 Ann ex B (inform ati ve) Applicati on of d ata attri butes for d iti on m on itorin g m easurem ent d escri ption for m easurem ent tag n am ing 37 BS EN 61400‑25‑6:2017 I EC 61 400-25-6: 201 I EC 201 –3– B B B Ann ex C General 37 N am in g pri nciple usi ng th e d ata attribu tes in CM M CDC 37 Exam pl es 38 (i nform ati ve) Con d iti on m on i torin g bins exam ples 39 C C C Ann ex D Exam pl e : One d im ensi on al bi ns 39 Exam pl e 2: Two d im ension al bins 40 Exam pl e 3: Two d im ension al bins wi th overl ap 42 (i nform ati ve) Appl icati on exam ple 45 D Overview of CDCs essen ti al to I EC 61 400-25-6 45 D H ow to appl y d ata to CDCs 45 D H ow to appl y an alarm 47 Bibli ograph y 49 Fi gu re – Con dition m on itori ng wi th separated TCD/CM D fu ncti ons Fi gu re – Schem atic fl ow of d iti on m on itoring i nform ati on Fi gu re – Reference coord in ates system for th e d rive train Fi gu re – Acti ve power bin concept Fi gu re – Sensor an gu l ar ori entati on as seen from the rotor en d 29 Fi gu re – Sensor m oti on id en tificati on 29 Fi gu re – Sensor n orm al an d reverse m otion 30 Fi gu re – Pri nciple of sh aft and bearin g i d en tificati on al ong a dri ve trai n 31 Fi gu re B – N am in g prin ci pl es for trd data attribu te 37 Fi gu re C – Bi n configurati on exam ple 40 Fi gu re C – Bi n config urati on exam ple 42 Fi gu re C – Bi n configuration exam ple 44 Fi gu re D – Linkage of the CDCs 45 Table – Abbreviated term s appl ied Table – Coordin ate system and wi n d turbi ne rel ated ch aracteristics Table – LN : Wind turbine d iti on m on itori ng i nform ation (WCON ) Table – Con di tions for the presence of a d ata attri bu te Table – Com m on d ata cl ass attribute n am e seman tic 20 Table – CDC: Con d ition m on i tori n g bin (CM B) 21 Table – CDC: Con d ition m on i torin g m easurem ent (CM M) 22 Table – CDC: Scalar valu e array (SVA) 23 Table – CDC: Com plex m easurem en t valu e array (CM VA) 24 Table – Data attri bu tes used for m easurem en t descri pti on 25 Table 1 – Sensor i den tificati on ven tion for “trd” attri bu te 25 Table – Abbreviated term s for “trd” – “locati on” d escription 26 Table – Sensor type cod e 28 Table – Reference code for sensor sensiti ve axis ori en tati on 29 Table – Gearbox shaft an d beari ng id entification 31 Table A – Exam ples of appl icabl e m appin gs from tag to MxType 34 Table B – Exam ples of Tag nam es and correspond i n g short d atanam es 38 BS EN 61400‑25‑6:2017 –4– I EC 61 400-25-6: 201 I EC 201 Tabl e C – CM B exam ple 39 Table C – CM B d ata obj ect exam pl e 39 Table C – CM B exam pl e 41 Table C – CM B d ata obj ect exam pl e 41 Table C – CM B exam pl e 43 Table C – CM B d ata obj ect exam pl e 43 Table D – Obj ect overvi ew 46 Table D – N am e plate (LPL) 46 Table D – CDC exam ple: Cond i ti on m on itori n g m easurem ent (CM M) 47 Table D – CDC exam ple: Cond i ti on m on itori n g bi n (CM B) 47 Table D – CDC exam ple: Al arm d efi n iti on (ALM) 48 Table D – LN exam pl e: Al arm contain er d efi n ition 48 BS EN 61400‑25‑6:2017 I EC 61 400-25-6: 201 I EC 201 –5– I NTERNATI ON AL ELECTROTECH NI CAL COM MI SSI ON WIND ENERGY GENERATION SYSTEMS – Part 25-6: Communications for monitoring and control of wind power plants – Logical node classes and data classes for condition monitoring FOREWORD ) The I ntern ati on al El ectrotech ni cal Com m i ssi on (I EC) i s a worl d wi d e organi zati on for stand ardi zati on com pri si n g al l nati on al el ectrotechn i cal com m i ttees (I EC N ati on al Comm i ttees) The obj ect of I EC i s to prom ote i ntern ati onal co-operati on on al l q u esti ons cerni ng stan dardi zati on i n th e el ectri cal and el ectroni c fi el ds To th i s en d an d i n ad d i ti on to other acti vi ti es, I EC pu bl i sh es I ntern ati onal Stan dard s, Techn i cal Speci fi cati on s, Techn i cal Reports, Publ i cl y Avai l abl e Speci fi cati ons (PAS) an d Gui des (hereafter referred to as “I EC Pu bl i cati on(s)”) Th ei r preparati on i s entrusted to techn i cal com m i ttees; any I EC N ati on al Com m i ttee i nterested i n the subj ect deal t wi th m ay parti ci pate i n th i s preparatory work I ntern ati onal , governm ental an d n on governm en tal org an i zati on s l i si n g wi th th e I EC al so parti ci pate i n thi s preparati on I EC col l aborates cl osel y wi th th e I ntern ati on al Organi zati on for Stan d ard i zati on (I SO) i n accord an ce wi th di ti ons d eterm i ned by agreem ent between th e two organi zati ons 2) The form al deci si on s or ag reem ents of I EC on tech ni cal m atters express, as nearl y as possi bl e, an i nternati on al consensus of opi n i on on the rel evan t subj ects si nce each tech ni cal com m i ttee h as represen tati on from al l i nterested I EC N ati on al Com m ittees 3) I EC Publ i cati on s have the form of recom m en dati ons for i n tern ati onal use an d are accepted by I EC N ati onal Com m i ttees i n that sen se Whi l e al l reason abl e efforts are m ade to ensu re th at th e tech n i cal content of I EC Pu bl i cati ons i s accu rate, I EC cann ot be hel d responsi bl e for th e way i n wh i ch th ey are u sed or for an y m i si n terpretati on by an y en d u ser 4) I n ord er to prom ote i ntern ati on al u n i form i ty, I EC N ati on al Com m i ttees u nd ertake to appl y I EC Publ i cati on s tran sparen tl y to th e m axi m u m exten t possi bl e i n thei r n ati onal an d regi on al pu bl i cati on s An y d i vergen ce between an y I EC Publ i cati on and th e correspon di ng n ati onal or regi on al pu bl i cati on shal l be cl earl y i n di cated i n th e l atter 5) I EC i tsel f d oes n ot provi d e an y attestati on of form i ty I n depen d en t certi fi cati on bod i es provi d e form i ty assessm en t servi ces an d , i n som e areas, access to I EC m arks of conform i ty I EC i s not responsi bl e for an y servi ces carri ed out by i nd epend ent certi fi cati on bod i es 6) Al l users shou l d ensure that th ey h ave th e l atest edi ti on of thi s pu bl i cati on 7) N o l i abi l i ty sh al l attach to I EC or i ts di rectors, em pl oyees, servants or ag en ts i ncl u d i ng i n d i vi d u al experts an d m em bers of i ts tech ni cal com m i ttees and I EC N ati on al Com m i ttees for an y person al i nj u ry, property d am ag e or oth er dam age of an y nature wh atsoever, wheth er di rect or i n di rect, or for costs (i ncl ud i n g l eg al fees) an d expen ses ari si n g ou t of th e publ i cati on , u se of, or rel i an ce upon, th i s I EC Pu bl i cati on or an y oth er I EC Publ i cati on s 8) Atten ti on i s drawn to the N orm ati ve referen ces ci ted i n th i s pu bl i cati on U se of th e referen ced pu bl i cati ons i s i n di spen sabl e for the correct appl i cati on of th i s publ i cati on 9) Atten ti on i s d rawn to th e possi bi l i ty th at som e of th e el em en ts of th i s I EC Publ i cati on m ay be the su bj ect of patent ri g hts I EC shal l n ot be hel d responsi bl e for i d enti fyi ng an y or al l such paten t ri gh ts I n tern ati on al Stan dard I EC 61 400-25-6 h as been prepared by I EC tech n ical comm ittee 88: Wind en erg y gen erati on system s This secon d ed ition can cels an d repl aces the fi rst ed iti on pu blish ed i n 201 Th is ed i tion constitutes a techn ical revision This ed i ti on incl u des th e foll owi ng si gnifican t techn ical ch an ges wi th respect to the previous ed i tion: a) b) c) d) Maj or restructurin g of th e d atam od el to accom m odate n eed ed fl exibi li ty U FF58 form at is no lon ger used Access to d ata is now using th e stan d ard reporti n g an d loggin g functions Recom m end ations for creatin g datan am es to accomm odate n eed ed flexi bi l ity have been defin ed BS EN 61400‑25‑6:2017 I EC 61 400-25-6: 201 I EC 201 – 37 – Annex B (informative) Application of data attributes for condition monitoring measurement description for measurement tag naming B.1 General I n m an y cases, it is req u ired to h ave a un iqu e way of n am in g vi brati on m easurem en t tags for th e d ifferen t m easurem ent types on a wi n d turbi ne The tags are wh at the user rel ates to wh en gettin g an overview of the state of a turbin e, th erefore i t is im portan t to use a consisten t syn tax for th ese nam es This an nex sh ows exam ples of how to appl y th e data attributes for d iti on m on i tori n g m easurem ents to create u n iq ue an d inform ative tag n am es B.2 Naming principle using the data attributes in CMM CDC The nam i ng of the m easu rem ent types is split in to two grou ps a) Speed related m easurem ent types Th is type of m easurem ent is rel ated to a parti cu lar freq uency Ei th er th e ru n n in g speed of a sh aft, or freq uenci es related to th e ru n ni n g speed such as a tooth m esh in g freq u ency or a beari n g freq u ency such as th e ball passi n g freq uency of th e outer rin g b) N on-speed related m easurem ent types Th is type of m easurem en t d oes not adj ust its characteristics accord in g to ru n n in g speed That is, th e m easurem ent h as a fixed freq uency ran ge Th e m easurem en t is n ot di rectl y rel ated to a specific m ach in e part such as a sh aft or a bearin g l ike th e speed related m easurem ent type U se th e attribu tes defin ed i n Clause to d escribe the sensor locati on, its type an d ori entati on foll owed by the target of the m easurem ent (if it i s speed related), e g a specific sh aft and fianal l y d escri be th e m easurem en t type Dots between sensor i dentificati on (trd), target an d type are used to m ake th e tag m ore read able Refer to th e exam pl es bel ow 1 GnDe - AC 31 5R GnShf 3MA Descriptor type : rd harmonic of rotational speed Descriptor target : Generator shaft Sensor orientation and direction : Radial 31 5° from horizontal Sensor type : Accelerometer Sensor location : Generator drive end GnDe - AC 31 5R ISOA Descriptor type : Bandpass measurement with range Hz – 000Hz Sensor orientation and direction : Radial 31 5° from horizontal Sensor type : Accelerometer Sensor location : Generator drive end IEC Figure B.1 – N aming principles for trd data attribute BS EN 61400‑25‑6:2017 – 38 – B I EC 61 400-25-6: 201 I EC 201 E xa m p l e s Table B sh ows exam ples of tag n am es wh ich can be specifi ed i n th e “d” d ata attribu te of th e CM M class alon g wi th an exam ple of a vend or specific datan am e to be used i n th e WCON cl ass Tabl e B – E xa m p l e s o f T a g n a m e s a n d Ta g Ta g ( s p e c i fi e d in th e “ d ” d a t a a t t ri b u t e ) n am es Data c o rre s p o n d i n g s h o rt d a t a n a m e s ve rs u s s d a t a o b j e c tn a m e E xp l a n a ti o n o b j e ctn a m e G n De I S O A Con M es001 An overal l m easu rem ent on gen erator Dri ve en d G b xI s s TM F Con M es002 Tooth m eshi n g freq uen cy of th e gearbox i nterm edi ate stage Th e Descri ptor targ et i s I ssShf but i t can be l eft ou t i f th e sh aft rel ati on of the m easu rem ent i s obvi ou s G b x H s s H s s S h f B P F O Con M es003 Vi brati on l evel at ou ter race freq uen cy of beari n g posi ti on cou nted i n th e Z di recti on on th e hi gh speed shaft of th e gearbox H ere th e exam pl e shows that th e BPFO i s rel ated to th e run n i ng speed of th e H ssShf G b x P s P l S h f T P C Con M es004 Tracked power cepstrum rel ated to the speed of the pl an etary sh aft N a c Z d i r B P [ - ] Con M es005 Vi brati on l evel of the tower i n th e Z di recti on i n th e freq u en cy rang e 0, H z – H z G b x H s s H s s S h f H a rm [ X , X ] Con M es006 The sq u are root of the sq uare su m of the n d to the th harm on i cs of th e run ni n g speed of the H ssSh f BS EN 61400‑25‑6:2017 I EC 61 400-25-6: 201 I EC 201 – 39 – Annex C (informative) Condition monitoring bins examples C.1 Example : One dimensional bins I n th is exam pl e: • • • bins Dim ension : Valu e of g enerator Acti ve Power (WGEN W) N am in g of d ata obj ects e g WBn a) Defin e one CMG data obj ect for each of the bins accordi n g to Tabl e C Table C.1 – CMB example Logical Node: WCON WBn1 CM B WBn2 CM B WBn3 CM B WBn4 CM B WBn5 CM B b) Confi gure th e bi ns (5 in stances of CM B) accordi ng to Tabl e C and Figu re C Table C.2 – CMB data object example Common Data Class: CMB Ref Obj ectReference Min FLOAT32 Max FLOAT32 BS EN 61400‑25‑6:2017 I EC 61 400-25-6: 201 I EC 201 WGEN W – 40 – 2000 WBn5 700 500 WBn4 000 WBn3 500 WBn2 200 700 250 WBn1 t IEC instances of CM B Bi n5 WBn5 ref1 = LD/WGEN W WBn5 m ax1 = 2000 WBn5 m i n1 = 700 Bi n4 WBn4 ref1 = LD/WGEN W WBn4 m ax1 = 700 WBn4 m i n1 = 200 Bi n3 WBn3 ref1 = LD/WGEN W WBn3 m ax1 = 200 WBn3 m i n1 = 700 Bi n2 WBn2 ref1 = LD/WGEN W WBn2 m ax1 = 700 WBn2 m i n1 = 250 Bi n1 WBn1 ref1 = LD/WGEN W WBn1 m ax1 = 250 WBn1 m i n1 = Figure C.1 – Bin configuration example C.2 Example 2: Two dimensional bins I n th is exam pl e: • • • • bi ns Dim ensi on : Val u e of Wind Speed (WN AC.WdSpd) Dim ensi on 2: Val u e of G en erator Active Power (WGEN W) N am in g of d ata obj ects e g PcBn a) Defin e one CMG data obj ect for each of the bi n s accordin g to Tabl e C BS EN 61400‑25‑6:2017 I EC 61 400-25-6: 201 I EC 201 – 41 – Table C.3 – CMB example Logical node: WCON PcBn CM B PcBn CM B PcBn CM B PcBn CM B PcBn CM B PcBn CM B PcBn CM B PcBn CM B PcBn CM B PcBn CM B PcBn 1 CM B PcBn CM B PcBn CM B PcBn CM B PcBn CM B PcBn CM B b) Confi gure th e bins (1 instances of CM B) accord in g to Table C an d Fi g ure C Table C.4 – CMB data object example Common Data Class: CMB ref Obj ectReference FLOAT32 m ax FLOAT32 BS EN 61400‑25‑6:2017 I EC 61 400-25-6: 201 I EC 201 WGEN W – 42 – 2000 PCBn1 PCBn1 PCBn1 PCBn1 700 500 PCBn1 PCBn1 200 000 PCBn7 PCBn8 PCBn9 PCBn1 500 PCBn3 PCBn4 PCBn5 PCBn6 700 250 PCB n PCBn2 0 Bin No Bi n Bi n Bi n Bi n Bi n 8, 12 0, 20 16 instances of CM B Dimension 24 Dimension PcBn1 ref1 = WN AC WdSpd PcBn1 ref1 = WGEN W PcBn1 m ax1 = 24 PcBn1 m ax1 = 2000 PcBn1 m i n1 = PcBn1 m i n = 700 PcBn1 ref1 = WN AC WdSpd PcBn1 ref1 = WGEN W PcBn1 m ax1 = PcBn1 m ax1 = 2000 PcBn1 m i n1 = 0, PcBn1 m i n = 700 PcBn1 ref1 = WN AC WdSpd PcBn1 ref1 = WGEN W PcBn1 m ax1 = 24 PcBn1 m ax1 = 700 PcBn1 m i n1 = PcBn1 m i n1 = 200 PcBn1 ref1 = WN AC WdSpd PcBn1 ref1 = WGEN W PcBn1 m ax1 = PcBn1 m ax1 = 700 PcBn1 m i n1 = 0, PcBn1 m i n = 200 PcBn1 ref1 = WN AC WdSpd PcBn1 ref1 = WGEN W PcBn1 m ax1 = 0, PcBn1 m ax1 = 700 PcBn1 m i n1 = 8, PcBn1 m i n = 200 ● ● ● Bi n PcBn1 ref1 = WN AC Wd Spd PcBn1 ref1 = WGEN W PcBn1 m ax1 = PcBn1 m ax1 = 250 PcBn1 m i n = PcBn1 m i n1 = Figure C.2 – Bin configuration example C.3 Example 3: Two dimensional bins with overlap I n th is exam pl e: WNAC.WdSpd IEC BS EN 61400‑25‑6:2017 I EC 61 400-25-6: 201 • • • • I EC 201 – 43 – bins Dim ensi on : Val u e of G en erator Operati on Mod e (WGEN Gn OpM od ) Dim ensi on 2: Val u e of G en erator Acti ve Power (WGEN W) N am in g of d ata obj ects e g WGnOpMod Bn a) Defin e one CMG data obj ect for each of the bins: Table C.5 – CMB example Logical Node: WCON WGnOpM od Bn CM B WGnOpM od Bn CM B WGnOpM od Bn CM B WGnOpM od Bn CM B WGnOpM od Bn CM B b) Confi g ure th e bi ns (5 i n stances of CM B) accordi ng to Tabl e C and Figu re C Table C.6 – CMB data object example Common Data Class: CMB ref Obj ectReference FLOAT32 m ax FLOAT32 BS EN 61400‑25‑6:2017 2000 I EC 61 400-25-6: 201 I EC 201 WGEN W – 44 – WGnOpModBn5 700 500 WGnOpModBn4 200 000 WGnOpModBn3 700 500 250 WGnOpModBn2 WGnOpModBn1 WGEN.GnOPMod GnOpMod = GnOpMod = IEC instances of CM B Bin Bi n Bi n Bi n Bi n Bi n Dimension Dimension WGenOpM odBn5 ref1 = WGEN Gn OpMod WGen OpMod Bn ref1 = WGEN W WGenOpM odBn5 m ax1 = WGen OpMod Bn m ax1 = 2000 WGenOpM odBn5 m i n = WGen OpMod Bn m i n1 = 700 WGenOpM odBn4 ref1 = WGEN Gn OpMod WGen OpMod Bn ref1 = WGEN W WGenOpM odBn4 m ax1 = WGen OpMod Bn m ax1 = 700 WGenOpM odBn4 m i n = WGen OpMod Bn m i n1 = 200 WGenOpM odBn3 ref1 = WGEN Gn OpMod WGen OpMod Bn ref1 = WGEN W WGenOpM odBn3 m ax1 = WGen OpMod Bn m ax1 = 200 WGenOpM odBn3 m i n = WGen OpModBn3 m i n1 = 250 WGenOpM odBn2 ref1 = WGEN Gn OpMod WGen OpMod Bn ref1 = WGEN W WGenOpM odBn2 m ax1 = WGen OpMod Bn m ax1 = 700 WGenOpM odBn2 m i n = WGen OpMod Bn m i n1 = 250 WGenOpM odBn1 ref1 = WGEN Gn OpMod WGen OpMod Bn ref1 = WGEN W WGenOpM odBn1 m ax1 = WGen OpMod Bn m ax1 = 250 WGenOpM odBn1 m i n = WGen OpMod Bn m i n1 = Figure C.3 – Bin configuration example BS EN 61400‑25‑6:2017 I EC 61 400-25-6: 201 I EC 201 – 45 – An n e x D (informative) Ap p l i c a ti o n e x a m p l e D O ve rvi e w o f C D C s e s s e n t i a l t o I E C 0 - - Fi gu re D sh ows h ow th e m ain CDCs used to contain d iti on m oni tori n g d ata are li nked to each oth er IEC F i g u re D – L i n kag e o f th e C D C s The central pl aceh older of d iti on m oni torin g d ata is the CM M This obj ect wi l l i nh erit from a sub d ata obj ect h old i ng the actu al m easurem ent val ues (M V, SVA, CM V, CM VA) Th ere wi l l norm al l y on l y be on e obj ect hol d i ng m easurem ent val u es Th en there wil l also be a reference to a d iti on m on itoring bin (CM B) obj ect The CM M object also tai ns a set of opti onal d ata values to d escribe th e d iti on m onitoring m easurem ent at h and D H o w to a p p l y d a ta to C D C s I n th is exam ple we set up a logical d evice cal led Con d ition M on i tori n g Device (CMD), th e defau l t l ogical nod e LN N i nclu d in g a N am e Plate CDC an d th e WCON Log ical N od e tain i ng th e data obj ects for th is exam pl e as i nd icated in Tabl e D u p to Tabl e D BS EN 61400‑25‑6:2017 – 46 – I EC 61 400-25-6: 201 I EC 201 Table D.1 – Object overview Logical devi ce (LD) Logical node (LN ) Data object (CDC) Sub data object (CDC) CM D + LN N + + N am e pl ate (LPL) WCON + CM M + + + MV* + SVA + CM V* + CM VA CMB WALM* ALM* Table D.2 – Name plate (LPL) LPL class Data attribu te name Data attribu te type Data attribu te value DataN am e N am e pl ate n am e Lorem i psu m Tu rbi n eType M W XXYY GearRati o 99, 9898 BS EN 61400‑25‑6:2017 I EC 61 400-25-6: 201 I EC 201 – 47 – Table D.3 – CDC example: Condition monitoring measurement (CMM) CMM class Data attribute name Data attribute type DataN am e Data attribute value Con M es001 Sub Data Object : Scal ar val u e array (SVA) 5, 680 2, 01 ARRAY [0 n um SV-1 ] 2, 01 OF FLOAT 4, 446 2, 628 i n stMagF n u m SV q 61 94 42 90 × × × × 00 00 0−1 −2 55 × − I N T32U 401 Qu al i ty val i di ty: G ood overfl ow: fal se ou tOfRang e: fal se bad Referen ce: fal se osci l l atory: fal se fai l u re: fal se (i f Bi as vol tage above xxx then tru e) ol Data: fal se i naccurate: fal se source: process test: fal se operatorBl ocked: fal se CM M d ata attri butes bn Ref CM B WCON /WBn startTi m e Ti m eStam p 01 -07-201 07: 20: 28: 461 trd VI SI BLE STRI N G255 GbxH SS AC090R shfI d VI SI BLE STRI N G255 m xType VI SI BLE STRI N G255 TAU S offset FLOAT d el ta FLOAT 25, u n i ts U ni t Hz d Stri ng GbxH SS AC090R TAU S _0-1 0000 Table D.4 – CDC example: Condition monitoring bin (CMB) Attribute name CMB class Attribute type DataN am e D.3 Attribute valu e WBn ref1 Obj ectReferen ce LD/WGEN W FLOAT 000, m ax FLOAT 200, How to apply an alarm Defin i ti on an d han d lin g of al arm s shall use th e cl asses d efi ned i n I EC 61 400-25-2 usin g th e l ogical nod e WALM and the com m on data class ALM The log ical n ode WALM acts as a contain er for a grou p of alarm s an d h ere we defin e one WALM as a contain er for all possi ble CM D alarm s BS EN 61400‑25‑6:2017 – 48 – I EC 61 400-25-6: 201 I EC 201 Each al arm shall be defi ned usi ng th e ALM cl ass an d th en assig n ed to th e WALM tain er I n th at way, a cli ent can subscri be to th e WALM n od e an d th us be notifi ed each tim e an alarm is goi ng ON or OFF Th e exam pl e bel ow sh ows an active alarm for a “G earbox H i gh speed shaft vibration level exceed ed” alarm Table D sh ows th e Data Object of a singl e alarm instance: Table D.5 – CDC example: Alarm definition (ALM) Data attribute name ALM class Data attribute type DataN am e st Data attribute value Con Al m 0001 EN S (En um erated statu s) stVal EN U MERATED q Qual i ty t Ti m eStam p ol d St ON =1 Sh ows the ri se ti m e of th e al arm EN S (En um erated statu s) Thi s CDC i s actu al l y a copy of the l ast state for “st” stVal EN U MERATED q Qual i ty t Ti m eStam p al m Ack OFF=2 Sh ows th e fal l ti m e, wh en th e al arm l ast d i sappeared l ast ti m e SPC (Con trol l abl e si n gl e poi n t) Thi s i s a com m an d used to ackn owl ed ge th e al arm , i f req ui red stVal BOOLEAN FALSE | TRU E q Qual i ty t Ti m eStam p Ti m estam p for l ast acti vati on of th i s com m an d al m Lev EN U MERATED N orm al =2 m aps to “Warn i ng vi brati on l evel ” d VI SI BLE STRI N G255 Gearbox H i gh speed sh aft vi brati on l evel exceed ed The WALM l og ical N od e cl ass wil l then h ol d th e above alarm d efinition an d al l oth er possi ble CM S alarm s wh ich can occur as sh own i n Tabl e D Table D.6 – LN example: Alarm container definition WALM Logical Node Data object name Common Data Class Data object value ALM ConAl m 0001 ALM ConAl m 0002 ALM ConAl m 000n … BS EN 61400‑25‑6:2017 I EC 61 400-25-6: 201 I EC 201 – 49 – Bibliograph y Wind energy generation systems – Part 25-x: Communications for monitoring and control of wind power plants I SO 081 6-3, Mechanical vibration – Evaluation of machine vibration by measurements on non-rotating parts – Part 3: Industrial machines with nominal power above 15 kW and nominal speeds between 120 r/min and 15 000 r/min when measured in situ I SO 081 6-21 , Mechanical vibration – Evaluation of machine vibration by measurements on non-rotating parts – Part 21: Horizontal axis wind turbines with gearbox I SO 3379-1 : 201 2, Condition monitoring and diagnostics of machines – Data interpretation and diagnostics techniques – Part 1: General guidelines I EC 61 400-25 (all parts), _ This page deliberately left blank NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards Institution (BSI) BSI is the national body responsible for preparing British Standards and other standards-related publications, information and services BSI is incorporated by Royal Charter British Standards and other standardization products are published by BSI Standards 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