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µçÁ¦ÏµÍ³ power system Àø´ÅÆ÷ excitor

Éýѹ±äѹÆ÷ step-up transformer ¿ÕÔØËðºÄ no-load loss ¿ÕÔØµçÁ÷ no-load current

·¢µç»ú generator µçѹ voltage ĸÏß bus ÌúËð iron loss Óй¦ËðºÄ reactive loss

Àø´Å excitation µçÁ÷ current ±äѹÆ÷ transformer Í­Ëð copper loss ÎÞ¹¦ËðºÄ active loss ÊäµçÏß transmission line ÖÐѹ middle voltage µçѹÎȶ¨ voltage stability ÄÜÁ¿ÊäËÍ power transfer µçÍø power system µ÷½Ú regulation Ô£¶È margin ·Ö½ÓÍ· tap ¾²Ì¬ static (state) µç¿¹ reactance

Óй¦£¨¹¦ÂÊ£© active power ¶Ï·Æ÷ Breaker ¶¨×Ó stator

µçѹµÈ¼¶ voltage grade µµÎ» tap position µçµ¼ conductance ÏÂÏÞ lower limit

Êäµçϵͳ power transmission

¸ßѹ²à high side

system

¸ßѹ high voltage ¹¦½ÇÎȶ¨ angle stability ÔÝ̬Îȶ¨ transient stability ½»Á÷ AC Âäµã drop point

¸ß¿¹ high voltage shunt reactor ¹ÊÕÏ fault

Çлú generator triping ¶¯Ì¬ dynamic (state) µç×è resistance µçÈÝÆ÷ Capacitor µç¶¯»ú motor ×迹 impedance

Óй¦¸ºÔØ: active load PLoad µç×è resistor µçÄÉ susceptance

µÍѹ low voltage Îȶ¨ stability µç³§ power plant Ö±Á÷ DC

¿ª¹ØÕ¾ switch station ²¢ÁÐµÄ apposable ÈýÏà¹ÊÕÏ three phase fault ¸ß¶¥Öµ high limited value »ú¶Ëµçѹ¿ØÖÆ AVR ¹¦½Ç power angle µç¿¹Æ÷ Reactor ¹¦ÂÊÒòÊý power-factor ¹¦½Ç power-angle ÎÞ¹¦¸ºÔØ reactive load µç¿¹ reactance ÉÏÏÞ upper limit

ÕýÐò×迹 positive sequence ¸ºÐò×迹 negative sequence ÁãÐò×迹 zero sequence impedance impedance impedance ÎÞ¹¦£¨¹¦ÂÊ£© reactive power бÂÊ slope

²Î¿¼Öµ reference value ·ÂÕæ·ÖÎö simulation analysis ¿òͼ block diagram ±£»¤¶Ï·Æ÷ circuit breaker

¹¦ÂÊÒòÊý power factor ¶î¶¨ rating µçѹ»¥¸ÐÆ÷ PT ϽµÂÊ droop rate ÊÜ¶Ë receive-side Ò¡°Ú swing

ÎÞ¹¦µçÁ÷ reactive current ±ä±È ratio ·Ö½ÓÍ· tap

´«µÝº¯Êý transfer function ͬ²½ synchronization ×èÄá damping »ú¶Ë generator terminal

ÎÞË¢Ö±Á÷µç»ú Brusless DC motor µ¶Õ¢(¸ôÀ뿪¹Ø) Isolator

±äµçÕ¾ transformer substation

ÓÀ´Åͬ²½µç»ú Permanent-magnet Synchronism Motor Òì²½µç»ú Asynchronous Motor

ÈýÈÆ×é±äѹÆ÷ three-column transformer ThrClnTrans Ë«ÈÆ×é±äѹÆ÷ double-column transformer DblClmnTrans ¹Ì¶¨´®ÁªµçÈݲ¹³¥ fixed series capacitor compensation Ë«»ØÍ¬¸Ë²¢¼Ü double-circuit lines on the same tower µ¥»úÎÞÇî´óϵͳ one machine - infinity bus system

Àø´ÅµçÁ÷ Magnetizing current µç´Å³¡:Electromagnetic fields ×°»úÈÝÁ¿ installed capacity ¹ÊÕÏÇгýʱ¼ä fault clearing time Ç¿ÐÐÀø´Å reinforced excitation ϽµÌØÐÔ droop characteristics

µç»úѧ Electrical Machinery µç´Å³¡ Electromagnetic Field µç¹¤Ñ§ Electrotechnics µç»úѧ Electrical Machinery

²¹³¥¶È degree of compensation ʧȥͬ²½ loss of synchronization ÎÞ¹¦²¹³¥ reactive power compensation ¼«ÏÞÇгýʱ¼ä critical clearing time ²¢ÁªµçÈÝÆ÷ shunt capacitor<

Ïß·²¹³¥Æ÷ LDC(line drop compensation)

×Ô¶¯¿ØÖÆÀíÂÛ Automatic Control Theory ΢»úÔ­Àí Principle of Microcomputer µç·ԭÀí Principle of circuits

µçÁ¦ÏµÍ³ÎÈ̬·ÖÎö Steady-State Analysis of Power System µçÁ¦ÏµÍ³ÔÝ̬·ÖÎö Transient-State Analysis of Power System

µçÁ¦ÏµÍ³¼Ìµç±£»¤Ô­Àí Principle of Electrical System's Relay Protection

µçÁ¦ÏµÍ³Ôª¼þ±£»¤Ô­Àí Protection Principle of Power System 's Element

µçÁ¦ÏµÍ³ÄÚ²¿¹ýµçѹ Past Voltage within Power system

Ä£Äâµç×Ó¼¼Êõ»ù´¡ Basis of Analogue Electronic Technique

Êý×Öµç×Ó¼¼Êõ Digital Electrical Technique µç·ԭÀíʵÑé Lab. of principle of circuits

µçÆø¹¤³Ì½²×ù Lectures on electrical power production µçÁ¦µç×Ó»ù´¡ Basic fundamentals of power electronics

¸ßµçѹ¹¤³Ì High voltage engineering

µç×ÓרÌâʵ¼ù Topics on experimental project of electronics

µçÆø¹¤³Ì¸ÅÂÛ Introduction to electrical engineering µç×Óµç»ú¼¯³Éϵͳ Electronic machine system µçÁ¦´«¶¯Óë¿ØÖÆ Electrical Drive and Control

µçÁ¦ÏµÍ³¼Ìµç±£»¤ Power System Relaying Protection Ö÷±äѹÆ÷ main transformer Éýѹ±äѹÆ÷ ½µÑ¹±äѹÆ÷ ¹¤×÷±äѹÆ÷ ±¸ÓñäѹÆ÷ ¹«ÓñäѹÆ÷ ÈýÏà±äѹÆ÷ µ¥Ïà±äѹÆ÷

´ø¸ººÉµ÷ѹ±äѹÆ÷ ±äѹÆ÷Ìúо ±äѹÆ÷ÏßȦ ±äѹÆ÷ÈÆ×é ±äѹÆ÷ÓÍÏä ±äѹÆ÷Íâ¿Ç ±äѹÆ÷·çÉÈ ±äѹÆ÷ÓÍÕí ±äѹÆ÷¶î¶¨µçѹ ±äѹÆ÷¶î¶¨µçÁ÷ ±äѹÆ÷µ÷ѹ·¶Î§ ÅäµçÉ豸 SF6¶Ï·Æ÷ ¿ª¹Ø °´Å¥ ¸ôÀ뿪¹Ø Õæ¿Õ¿ª¹Ø µ¶Õ¢¿ª¹Ø ½ÓµØµ¶Õ¢ µçÆøÉ豸 ±äÁ÷Æ÷ µçÁ÷»¥¸ÐÆ÷ µçѹ»¥¸ÐÆ÷ µçÔ´ ½»Á÷µçÔ´ Ö±Á÷µçÔ´ ¹¤×÷µçÔ´ ±¸ÓõçÔ´

transformer oil conservator(¡× drum

step-up transformer step-down transformer operating transformer standby transformer common transformer three-phase transformer single-phase transformer on-load regulating transformer transformer core transformer coil transformer winding transformer oil tank transformer casing transformer fan transformer reted voltage transformer reted current transformer voltage regulation rage power distribution equipment SF6 circuit breaker switch button isolator,disconnector vacuum switch knife-switch earthing knife-switch electrical equipment current converter current transformer voltage transformer power source AC power source DC power source operating source Standby source Ç¿µç Èõµç ¼ÌµçÆ÷ Ðźż̵çÆ÷ µçÁ÷¼ÌµçÆ÷ µçѹ¼ÌµçÆ÷ ÌøÕ¢¼ÌµçÆ÷ ºÏÕ¢¼ÌµçÆ÷ Öмä¼ÌµçÆ÷ ʱ¼ä¼ÌµçÆ÷ ÁãÐòµçѹ¼ÌµçÆ÷ ²î¶¯¼ÌµçÆ÷ ±ÕËø×°Öà ң¿Ø Ò£ÐÅ Ò£²â Ò£µ÷ ¶Ï·Æ÷ ÉÙÓͶÏ·Æ÷ ¸ßƵÂ˲¨Æ÷ ×éºÏÂ˲¨Æ÷ ³£¿ª´¥µã ³£±Õ´¥µã ²¢ÁªµçÈÝ ±£»¤½ÓµØ ÈÛ¶ÏÆ÷ µçÀÂ ÌøÕ¢Âö³å ºÏÕ¢Âö³å Ò»´Îµçѹ ¶þ´Îµçѹ ²¢ÁªµçÈÝÆ÷ ÎÞ¹¦²¹³¥Æ÷ Ïû»¡ÏßȦ ĸÏß Èý½Ç½Ó·¨ ÐÇÐνӷ¨ Ô­Àíͼ Ò»´Îϵͳͼ ¶þ´Îϵͳͼ Á½Ïà¶Ì· ÈýÏà¶Ì· µ¥Ïà½ÓµØ¶Ì· ¶Ì·µçÁ÷¼ÆËã strong current weak current relay

signal relay current relay voltage relay tripping relay closing relay

intermediate relay time relay

zero-sequence voltage relay differential relay locking device telecontrol

telesignalisation telemetering teleregulation

breaker,circuit breaker

mini-oil breaker,oil-mini-mum breaker high-frequency filter combined filter

normally opened contaact normally closed contaact parallel capacitance protective earthing cutout,fusible cutout cable

tripping pulse closing pulse primary voltage secondary voltage parallel capacitor

reactive power compensation device arc-suppressing coil Bus,busbar

delta connection Wye connection schematic diagram

primary system diagram secondary system diagram two-phase short circuit three-phase short circuit

single-phase ground short circuit calculation of short circuit current

×Ô¶¯ÖغÏÕ¢ ¸ßƵ±£»¤ ¾àÀë±£»¤ ºá²î±£»¤ ×ݲ»¤ Ïß·±£»¤ ¹ýµçѹ±£»¤ ĸ²î±£»¤ Íß˹±£»¤ ±äѹÆ÷±£»¤ µç¶¯»ú±£»¤ Ô¶·½¿ØÖÆ ÓõçÁ¿ ÔØ²¨ ¹ÊÕÏ Ñ¡ÔñÐÔ ËÙ¶¯ÐÔ ÁéÃôÐÔ ¿É¿¿ÐÔ

µç´ÅÐͼ̵çÆ÷

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automatic reclosing

high-freqency protection distance protection

transverse differential protection longitudinal differential protection line protection

over-voltage protection bus differential protection Buchholtz protection transformer protection motor protection remote control power consumption carrier fault

selectivity speed

sensitivity reliability electromagnetic

instantaneously over-current protection trip coil

operating coil retraint coil main protection back-up protection

definite time over-current protection the current protection with three stages inverse time over-current protection the directional current protection zero-sequence current protection impedance

Microprocessor Protection


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