OLTC High Voltage Analyser

OLTC High Voltage Analyser
OLTC High Voltage Analyser
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Product Code : 01
Product Description

Relevant standards and recommendations:

  • ANSI/IEEE C57.12.90-1987: American national standard / IEEE Standard TestCode for Liquid- Immersed Distribution, Power and Regulating Transformers.
  • IEEE Std 62-1995: IEEE Guide for Diagnostic Field Testing of Electric Power Apparatus. Part 1: Oil Filled Power Transformers, Regulators and Reactors.
  • IEEE Std C57.12.37-2006: IEEE Standard for the Electronic Reporting of Distribution Transformer Test Data.
  • IEEE Std C57.140-2006: IEEE Guide for the Evalua- tion and Reconditioning of Liquid Immersed Power Transformers.
  • IEC 60214: Tap-changers - Performance require- ments, test methods and application guide.
  • IEC 60076-1: Power Transformers - Part 1: General

Technical Specification

Resistance tests (windimg resistance and dynamic OLTC)

Voltage : 0-15 VDC

Current max 10 ADC

Range 100Ώ -100Ώ


Accuracy ± 1mstatic ± 5m Ώ dynamic

Measurement of the transformer turn ratio

Test voltage : 20 VAC

Range : 1:1 to 1:100

Accuracy : ratio 0.1 %
Current 1mA phase angle 0.5° magnetizing current

range : 0-300 mA 50/60Hz

Accuracy : 1mA

Phase angle : ± 5°

Transformer

Auto configuration by relays- matrix

Operating temperature range

0°C to 50 °C

Communication with network control notebook

Wireless IEEE 802.11g

Supply voltage

100- 250VAC , 50/ 60 Hz

Weight

Approximately 12 kg (without cabling)



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