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표준번호 IEEE C57.13    
품목 변성기
표준명(한글) 계기용 변성기
표준명(영문) Instrument Transformers
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적용범위 This standard is intended for use as a basis for performance and interchangeability of equipment covered, and to assist in the proper selection of such equipment. Safety precautions are also addressed.
인용표준(규격) - IEC 60270, High-voltage test techniques-Partial discharge measurements.2
- IEC 61869-2, Instrument Transformers-Part 2: Additional Requirements for Current Transformers.
- IEEE Std 4™, IEEE Standard for High-Voltage Testing Techniques.3, 4
- IEEE Std 693™, IEEE Recommended Practice for Seismic Design of Substations.
- IEEE Std C37.04™, IEEE Standard Rating Structure for AC High-Voltage Circuit Breakers.
- IEEE Std C37.09™, IEEE Standard Test Procedure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Basis.
- IEEE Std C57.12.00™, IEEE Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers.
- IEEE Std C57.12.90™, IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers.
- IEEE Std C57.13.5™, IEEE Standard of Performance and Test Requirements for Instrument Transformers of a Nominal System Voltage of 115 kV and Above.
- IEEE Std C57.13.6™, IEEE Standard for High-Accuracy Instrument Transformers.
- IEEE Std C57.19.00™, IEEE Standard General Requirements and Test Procedure for Power Apparatus Bushings.
정격구분
Rated voltage(V) Marked ratio Basic impulse insulation level(kV peak)
120/208Y 1:1 10
240/416Y 2:1 10
300/520Y 2.5:1 10
120/208Y 1:1 30
240/416Y 2:1 30
300/520Y 2.5:1 30
480/832Y 4:1 30
600/1 040Y 5:1 30
2 400/4 160Y 20:1 60
4 200/7 270Y 35:1 75
4 800/8 320Y 40:1 75
7 200/12 470Y 60:1 110 or 95
8 400/14 400Y 70:1 110 or 95
12 000/20 750Y 100:1 150 or 125
14 400/24 940Y 120:1 150 or 125
주요 시험항목 11. Type test procedures applicable to instrument transformers
11.1 Short-time characteristics
11.2 Temperature rise tests
11.3 Impulse tests
11.4 Partial discharge measurement
11.5 Wet voltage withstand tests
11.6 Ground shield check?72kV class and above

12. Type test procedures applicable to current
12.1 Short-time thermal rating of current transformers
12.2 Current transformer temperature rise tests
12.3 Inter-turn overvoltage test

13. Type test procedures applicable to voltage transformers
13.1 Short-circuit thermal capability of voltage transformers
13.2 Voltage transformer temperature rise tests
표준이력
공인검수면제 대상업체 ㈜시티이텍, 동우전기㈜, 영화산업전기㈜