tài liệu tiếng anh NRG 2004 EN
tài liệu tiếng anh NRG 2004 EN
... a time when more and more energy is produced, traded, transformed and consumed, when energy dependency is increasing, and when greenhouse gas emissions are high on the international agenda, that ... monitoring of the energy situation Other reasons for needing a profound knowledge of energy supply and demand include energy dependency, security and efficiency, as well as environmental concerns...
Đánh giá dựa theo nhu cầu tài liệu tiếng Anh chuyên ngành “english course for nursing students” dành cho sinh viên năm thứ hai trường cao đẳng y tế thanh hóa
... STUDENTS” FOR SECOND YEAR STUDENTS AT THANH HOA MEDICAL COLLEGE (ĐÁNH GIÁ DỰA THEO NHU CẦU TÀI LIỆU TIẾNG ANH CHUYÊN NGÀNH “ENGLISH COURSE FOR NURSING STUDENTS” DÀNH CHO SINH VIÊN NĂM THỨ HAI TRƯỜNG CAO ... QUESTIONAIRE FOR STUDENTS Bản câu hỏi nhằm l y ý kiến sinh viên trường Cao đẳng y tế Thanh Hóa tài liệu tiếng Anh sử dụng: Engl...
Tài liệu tiếng anh Điện tử công suất mạch MERS A new AC current switch called MERS with low on state voltage IGBTs for renewable energy and power saving applications
... FS-IGBT and the new IGBT for MERS are shown in Fig Low saturation voltage (1.54 V) at rated current was achieved, where the conventional IGBT with same rating has 2.10 V saturation voltage The FWD voltage ... IGBT for a magnetic energy recovery switch application,” IEEJ Transaction on Electronics, Information and Systems, vol 128, no 4, 2008 Y Onozawa, M Otsuki...
Tài liệu tiếng anh Điện tử công suất mạch MERS A new automatic voltage regulator of self excited induction generator using SVC magnetic energy recovery switch
... Usuki, T Kitahara, R Shimada, ”Improved performance of induction motor using magnetic energy recovery switch , PCC Nagoya, 2007 [10] J .A Wiik, F Danang Wijaya, R Shimada, ”An innovative series ... induction generator , AIEE Trans pp 540-545, May 1935 [3] T Ahmed, O Noro, E Hiraki, M Nakaoka, ”Terminal Voltage Regulation Characteristics by Static Var Compensator for a Thr...
Tài liệu tiếng anh Điện tử công suất mạch MERS Feasible series compensation application using magnetic energy recovery switch
... controller, magnetic energy recovery switch (mers) PES General Meeting, 2007 [11] Jan A Wiik, F Danang Wijaya, and Ryuichi Shimada Robust series compensation in power systems using magnetic energy recovery ... Ryuichi Shimada Series connected power flow control using magnetic energy recovery switch (mers) PCC Nagoya, 2007 [10] Jan A Wiik, F Danang Wijaya, and Ry...
Tài liệu tiếng anh Điện tử công suất mạch MERS Improved performance of induction motor using magnetic energy recovery switch
... Equivalent circuits of series compensated induction motor for system frequency and self-excited frequency Oscillating current waveforms because of self-excitation of induction motor by MERS with open ... SELF-EXCITATION OF SERIES COMPENSATED INDUCTION MOTOR It is well known that series compensation of induction motor may cause some unstable situations[6] Since MER...
Tài liệu tiếng anh Điện tử công suất mạch MERS Improved wind power conversion system using magnetic energy recovery switch MERS
... output power and efficiency of a wind turbine system with a synchronous generator by applying magnetic energy recovery switch (MERS) to the power conversion system The wind power conversion system ... 750-kW wind power conversion system with PWM converter and with MERS Input filter is not required in the MERS system Fig 13 750 kW power with MERS is...
Tài liệu tiếng anh Điện tử công suất mạch MERS Loss and rating consideration of a wind energy conversion system with reactive compensation by magnetic energy recovery switch
... Relative supply rating 8.4 pu 10.4 pu Rating and loss considerations for large scale system The losses and ratings of a large scale electrical conversion system with MERS solution and with a 2-level ... followed by description of experiments on a 50 kW PM generator and theoretical large scale system loss and rating investigations Magnetic Energ...
Tài liệu tiếng anh Điện tử công suất mạch MERS Magnetic engergy recovery switch
... principles of MERS Power factor correction of singlephase induction motor PWM control of MERS Energy saving by MERS 1 Magnetic Energy Recovery Switch S2 MERS S1 (Magnetic Energy Recovery Switch) L ... factor with MERS( 820µF) 0.8 without MERS 0.6 0.4 200 400 The power factors without MERS are varying between 0.8~0.4 The power factors with MERS are maintained within 0...
Tài liệu tiếng anh Điện tử công suất mạch MERS Power supply for pulsed magnets with magnetic energy recovery current switch
... TAKAKU et al.: POWER SUPPLY FOR PULSED MAGNETS WITH MAGNETIC ENERGY RECOVERY CURRENT SWITCH 1797 TABLE II PARAMETERS OF MAGNETIC ENERGY RECOVERY TYPE MARX-GENERATOR magnetic energy stored in ... TAKAKU et al.: POWER SUPPLY FOR PULSED MAGNETS WITH MAGNETIC ENERGY RECOVERY CURRENT SWITCH Fig Turn-on waveforms of experimental results Fig 179...
Tài liệu tiếng anh Điện tử công suất mạch MERS Series connected power flow control using magnetic energy recovery switch
... primary control PLL algorithm was used as a current measurement The control parameters were adjusted V CONCLUSION The characteristics of a new power flow controller, the Magnetic Energy Recovery Switch (MERS) , ... "Application of magnetic energy recovery switch for power factor correction," IPEC 2005 [11] J Wiik, T Isobe, T Takaku, T Kitahara, and R Shimada, "Applic...
Tài liệu tiếng anh Điện tử công suất mạch MERS Voltage rating reduction of magnetic power supplies using a magnetic energy recovery switch
... al.: VOLTAGE RATING REDUCTION OF MAGNET POWER SUPPLIES (a) 1647 (b) Fig Schematic waveforms of generated current i and capacitor voltage v by the circuit of Fig t and t mean times to charge and ... , and respectively and off at the same time with , , and are always opposite condition to and and and are also always opposite condition to and The MERS absorbs and supplies...
Tài liệu tiếng anh tham khảo staff attraction and retention model for namibian state owned enterprise
... only expand the researcher‟s knowledge and in-depth understanding of attraction and retention of staff, but it will help the NIP management to realise factors that affect attraction and retention ... management of NIP towards attraction and retention of staff? Which interventions can NIP management employ to ensure attraction and retention of staff? 1.5 Statemen...
tài liệu tiếng anh survival english
... You can't expect me to Conclusion 34 If you hear someone speaking English like an Englishman you conclude that that person is English Here are some ways of making conclusions A B Our neighbours ... Фрейтас Дж Ф де Ф86 Минимум для общения: Практическое пособие по разговорному английскому языку — Survival English Practice in Everyday Communication./Предисл и учебн аппарат Т И Арбековой...