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33kV 35kV 110kV 115kV 132kV 138kV 220kV Current Transformer Ratios Burden
Description
33kV 35kV 110kV 115kV 132kV 138kV 220kV Current Transformer Ratios Burden
This is high voltage oil immersed products. Current transformer ratios can be 50~2000:1/5A. The accuracy class of CT is 0.1:?0.2:?0.5:?0.2S:?0.5S: 5P: 10P: TPS: PX....metering and protection. HYEE instrument transformers are widely used in power transmission lines and power distribution. They are for current measuring and protection, delivering high accuracy in current metering. With 16 years experience and ISO certifications, we have a wide range including?cast resin, dry, gas, oiled type Current transformer & Voltage transformer voltage from 0.5-330kV.?
Over view:
? ??Purpose
? It is outdoor, single phase and oil immersed hair-pin type current,?Protection CT and Metering CT which is used for metering and relay protection of 33-220kV, 50 or 60Hz system.?
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?Standards
? IEC61869-1: Instrument transformers – Part 1 General requirements
? IEC61869-2 Instrument transformers - Part 2 Additional requirements for current transformers
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?Service condition
? Ambient temperature:-40~+40?
? Altitude: =2000m(If above 2000m,the producer ? ? ? ? ? ? ? ? will be customized according to user's ? ? ? ? ? ? ? ? ? request)
? Environment pollution level: II,III,IV ?
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Technical Data?
Rated frequency Hz 50:?60
Rated voltage kV 66 110/115 115/132/138 220/230
Highest voltage for equipment kV 72.5 126/123 145 245/252
Power frequency withstand voltage on primary windings kV 160 230 275 460
Rated lightning impulse withstand voltage kV 350 550 650 1050
Flashover distance mm 700 1050 1300 2000
Creepage distance mm 1820:?2250 3150:?3910 3630:?4500 6300:?7820
Mechanical load N 2000 2000 2000 3000
Rated primary current? A 50~1600 50~1600 50~1600 150~2000
Rated secondary?current? A 1:5
Accuracy class ? 0.1:?0.2:?0.5:?0.2S:?0.5S: 5P: 10P: TPS: PX....
Rated output (Recommended value) VA 1A: 10~15VA?
5A: 30~50VA
Instrument security factor FS 5: 10
Accuracy limit factor ALF 10, 15, 20, 25, 30
Short-time thermal current
( Maximum) KA 50KA/3s (In series)
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Dalian Huayi Electric Power Electric Appliances Co., Ltd.??was found in 2002 who is a professional manufacturer of 0.5kV-330kV current and voltage transformer involved cast resin, oil immersed, inductive, capacitive, gas SF6, dry type and so on.?The company covers an area of?150,000m2?and has more than 500 employees including over 50 engineering technicians and?+10 senior technicians and designers.
Our?company has been certified by?ISO9001?Quality Management System.
The company pursues to offer high-precision and high-quality products to customers in the tenet of "Technology-driven, Quality-oriented, Credit-valued, Customer-centered".link:http://www.hyee-current-transformer.com