Transformer翰特（）百万管理资料下载平台IEEE Standards documents are developed within the IEEE Societies and the Standards Coordinating Committees of the IEEE Standards Association(IEEE-SA)Standards Board.It is this characteristic that can cause excessive winding loss and hence abnormal winding temperature rise in transformers supplying nonsinusoidal load currents.3The numbers in brackets preceded by the letter B correspond to those of the bibliography in Annex A.翰特（）百万管理资料下载平台IEEE Std C57.110-1998 I

The curve reflects both thermal and meFig 1 Category I Transformers IOOOO IO000 5000 5000 2000 2000 1000 1000 500 500 200 200 I 100 100 s c InIn n g 5 0 5 0 2 8 E 20 20 y VJ W ccTIMES NORMAL RASE CURRENT a翰特（）百万管理资料下载平台THROUGH-FAULTCURRENTDURATION.Fig 3 Category I11 Traneformers Thlscuwe may also be used for backup r=SYMMETRICAL FAULT CURRENTIN TIMES NORMAL BASE CURRENT TIMES NORMAL BASE CURRENT 10-~i i翰特（）百万管理资料下载平台THROUGH-FAULT-CURRENTDURATION 5-.

USA 2 February 2009 IEEE Power&Energy Society Sponsored by the Transformers Committee C57.104 TM翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台IEEE Std C57.104-2008(Revision of IEEE Std C57.104-.For more information about the IEEE Standards Association or the IEEE standards development process, visit the IEEE-SA Web site at http://standards.ieee.www.bzfxw免费下载翰特（）百万管理资料下载平台v Copyright 2009 IEEE.To modestly hydrogenated carbon in particulate form.www.bzfxw免费下载翰特（）百万管理资料下载平台IEEE Std C57.

USA.翰特（）百万管理资料下载平台Copyright 1992 IEEE All Rights Reserved 3 GENERATED IN OIL-IMMERSED TRANSFORMERS IEEE Std C37.104-1991 key gases:Gases generated in oil-filled transformers that can be used for qualitative determination of fault types.Determine load dependence.10–30 Quarterly Continue normal operation.<10 Annual翰特（）百万管理资料下载平台IEEE Std C57.104-1991 Copyright 1992 IEEE All Rights Reserved 13 GENERATED IN OIL-IMMERSED TRANSFORMERS IEEE Std C37.104-1991 Figure 3—Key Gases Evaluation翰特

USA 15 February 2006 IEEE Power Engineering Society Sponsored by the Electric Machinery Committee翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台Recognized as an IEEE Std C50.13-2005 American National Standard(ANSI)(Revision of ANSI C50.13-1989).All rights reserved.翰特（）百万管理资料下载平台www.bzfxw免费下载翰特（）百万管理资料下载平台IEEE Standard for Cylindrical-Rotor 50 Hz and 60 Hz Synchronous Generators Rated 10 MVA and Above 1.2.

Restrictions apply.www.bzfxw免费下载翰特（）百万管理资料下载平台IEEE Standards documents are developed within the IEEE Societies and the Standards Coordinating Committees of the IEEE Standards Association(IEEE-SA)Standards Board.Restrictions apply.www.bzfxw免费下载翰特（）百万管理资料下载平台IEEE PROTECTION OF SHUNT CAPACITOR BANKS Std C37.99-2000 Copyright 2000 IEEE.Restrictions apply.www.bzfxw免费下载翰特（）百万管理资料下载平台IEEE Std C37.99-2000 IEEE GUIDE FOR THE 8 Copyright 2000 IEEE.

Only the faulted bus section is removed for a bus fault.翰特（）百万管理资料下载平台Copyright 1979 IEEE All Rights Reserved 9 APPLICATIONS TO POWER SYSTEM BUSES ANSI/IEEE C37.97-1979 Figure 5—Multiple Bus Sections with Bus Ties 4.2.3 Double Bus—Double Breaker(Fig 6)The double.Figure 6—Double Bus—Double Breaker Arrangement翰特（）百万管理资料下载平台10 Copyright 1979 IEEE All Rights Reserved ANSI/IEEE C37.97-1979 IEEE GUIDE FOR PROTECTIVE RELAY Figure 7—Main and Transfer Bus Arrangement 4.2.5 Double Bus—Single Bre

1976)guide for ac motor protection翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台ANSI/IEEE C37.96-1988(Revision ofANSI/IEEE-7.96-1976)An American National Standard IEEE Guide for AC Motor Protection Sponsor IEEE Power System Relaying Committee of.This frequency sensitive part of the control circuit ensures that the field excitation is applied at the proper pull-in speed for successful synchronizing.13翰特（）百万管理资料下载平台ANSI/IEEE C37.96-1988 IEEE GLIDE FOR CONTACTS IN AC CONTROL CIRCUITS AC SOURCE FIELD C

Enhanced trip signal power levels permitted.翰特（）百万管理资料下载平台IEEE OF AUDIO TONES OVER VOICE GRADE CHANNELS Std C37.93-2004 Copyright 2004 IEEE.And power system faults that produce GPR at power stations and翰特（）百万管理资料下载平台IEEE OF AUDIO TONES OVER VOICE GRADE CHANNELS Std C37.93-2004 Copyright 2004 IEEE. line operating on coaxial cable.d)Approximately 1 ms per 125 miles of repeated digital carrier line operating on nonloaded cable pairs e)Approximately 1 ms per 120 miles of optical fiber syst

USA 30 May 2008 IEEE Power Engineering Society Sponsored by the Power System Relaying Committee C37.91 TM翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台IEEE Std C37.91-2008(Revision of IEEE Std C37.91-.All rights reserved.翰特（）百万管理资料下载平台www.bzfxw免费下载翰特（）百万管理资料下载平台IEEE Guide for Protecting Power Transformers IMPORTANT NOTICE:This standard is not intended to assure safety, security, health.

Harmonic analysis of the inrush current during the events inwww.bzfxw免费下载翰特（）百万管理资料下载平台IEEE APPLICATIONS TO POWER TRANSFORMERS Std C37.91-2000 Copyright 2000 IEEE.Analysis of magnetizing inrush current waveforms for this conguration showed noticeable reduction in harmonic content compared to energizing the transformerwww.bzfxw免费下载翰特（）百万管理资料下载平台IEEE APPLICATIONS TO POWER TRANSFORMERS Std C37.91-2000 Copyright 2000 IEEE.

USA 17 October 2001 IEEE Power Engineering Society Sponsored by the Power System Relaying Committee IEEEStandards Print:SH94929 PDF:SS94929翰特（）百万管理资料下载平台IEEE Std C37.90.3-2001 IEEE Standard Electrostatic Discharge Tests for Protective Relays Sponsor Power System Relaying Committee of the IEEE Power Engineering Society Approved 14 June.30% Figure 2—Typical waveform of the contact discharge current of the ESD generator IEEE FOR PROTECTIVE RELAYS Std C37.90.3-2001 The Standard is downloaded fr

Indicators or other features of the device under test were monitored.5)The test conclusion(pass/fail).g)Date(s)and location of the test.h)Individual responsible for performing the test.翰特（）百万管理资料下载平台IEEE RADIATED ELECTROMAGNETIC INTERFERENCE FROM TRANSCEIVERS Std.Table A.1—Single frequency test data Distance(cm)Field strength(V/m)7.5 100 10 60 15 35 22 20 100 5 E 1.6 P()/d V/m()=E 7.02 P()/d V/m()=翰特（）百万管理资料下载.

翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台翰特（）百万管理。资料下载平台www.bzfxw免费下载翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台www.bzfxw免费下载翰特（）百万管理资料下载平台翰特无忧。商务网（）百万管理资料下载平台www.bzfxw免费下载翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台www.bzfxw免费下载翰特（）百万管理资料。

USA 31 January 2006 IEEE Power Engineering Society Sponsored by the Power System Relaying Committee翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台IEEE Std C37.90-2005(Revision of IEEE Std C37.90-.All rights reserved.翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台IEEE Standard for Relays and Relay Systems Associated with Electric Power Apparatus 1.1.1 Overview This standard specifies standard service conditions.

Current-limiting and combination external capacitor fuses used with a capacitor unit, groups of units, or capacitor banks.翰特（）百万管理资料下载平台IEEE Std C37.48-2005 IEEE GUIDE FOR THE APPLICATION, OPERATION.The fuse manufacturer’s recommendations should be followed in this regard.4.7.1 Power class fuses The fuse should have a maximum voltage rating equal to or exceeding the maximum system line-to-line voltage.翰特（）百万管理资料下载平台IEEE Std C37.48-2005 IEEE GUIDE FOR THE APPLICATION.

USA 20 September 2007 IEEE Power Engineering Society Sponsored by the Switchgear Committee C37.45 TM翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台Recognized as an IEEE Std C37.45-2007 American National Standard(ANSI)IEEE Standard Specifications for HighVoltage Distribution Class.All rights reserved.翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台IEEE Standard Specifications for HighVoltage Distribution Class Enclosed Single-Pole Air Switches with Rated Voltages from 1 kV through 8.3 kV.

USA 25 July 2008 IEEE Power Engineering Society Sponsored by the Switchgear Committee C37.43 TM翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台IEEE Std C37.43-2008 IEEE Standard Specifications for HighVoltage Expulsion.300 A, and 400 A.3.3.3 Rated continuous current for capacitor fuses, fuse units, refill units, and fuse links The preferred rated continuous currents of a fuse, fuse units, refill units, and fuse links for capacitor fuses are 0.5 A.

USA 13 March 2009 IEEE Power&Energy Society Sponsored by the Switchgear Committee C37.41 TM翰特（）百万管理资料下载平台翰特（）百万管理资料下载平台IEEE Std C37.41TM-2008(Revision of IEEE Std C37.41-2000)IEEE Standard Design Tests for High-Voltage.And Fuse Links and Accessories Used with These Devices.a The numbers in brackets correspond to those of the bibliography in Annex F.www.bzfxw免费下载翰特（）百万管理资料下载平台v Copyright 2009 IEEE.

The fuse unit, fuse holder, or disconnecting blade in the fully open position 2)For dropout type fuses, with the fuse unit or fuse holder in the dropout position. 3)For non-dropout type fuses, with the fuse unit or fuse holder removed from the support b)Where a fuse link, fuse unit, or refill unit is required to complete the electrical circuit, it may be of any convenient size.c)The base or the enclosure. 2)For dropout type fuses, with the fuse unit or fuse holder in the dropout position 3)For n

Copies can be obtained from the IEEE Standards Department.7 IEEE publications are available from the Institute of Electrical and Electronics Engineers.翰特（）百万管理资料下载平台Copyright 1995 IEEE All Rights Reserved 3 HIGH-VOLTAGE AIR SWITCHES IEEE Std C37.34-1994 2.6 switching impulse withstand voltage:The crest value of.翰特（）百万管理资料下载平台12 Copyright 1995 IEEE All Rights Reserved IEEE Std C37.34-1994 IEEE STANDARD TEST CODE FOR 5.3.1 Switches requiring corona tests Non-enclosed outdoor switches app