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Beijing GFUVE Instrument Transformer Manufacturer Co.,Ltd.
Beijing GFUVE Instrument Transformer Manufacturer Co.,Ltd. an exclusive current transformer, split core current transformer, current clamp & voltage transformer manufacturer.
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20KV Medium Voltage Outdoor Voltage Transformer Epoxy Resin Casting

Beijing GFUVE Instrument Transformer Manufacturer Co.,Ltd.

20KV Medium Voltage Outdoor Voltage Transformer Epoxy Resin Casting

Brand Name : GFUVE

Model Number : JDZW-20

Certification : CE, ISO9001

Place of Origin : BEIJING

MOQ : 1PC

Price : 1000-1500USD/PC

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 3000PCS/MONTH

Delivery Time : 2weeks

Packaging Details : Standard export wooden box

Name : Instrument Voltage Transformer

Usage : outdoor

Application : Voltage measurement

Voltage level : 20KV

Material : Resin & Silicon steel

Class : 0.2s, 0.2, 0.5

Burden : 10-250VA

Weight : 56KG

Standard : IEC61869

Color : red

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Theory


Potential transformer or voltage transformer gets used in electrical power system for stepping down the system voltage to a safe value which can be fed to low ratings meters and relays. Commercially available relays and meters used for protection and metering, are designed for low voltage. This is a simplest form of potential transformer definition.

A voltage transformer theory or potential transformer theory is just like a theory of general purpose step down transformer. Primary of this transformer is connected across the phase and ground. Just like the transformer used for stepping down purpose, potential transformer i.e. PT has lower turns winding at its secondary.

The system voltage is applied across the terminals of primary winding of that transformer, and then proportionate secondary voltage appears across the secondary terminals of the PT.

Applications


This model of instrument voltage transformer includes two versions: JDZW-20 and JDZXW-20G. The units are cast in epoxy resin and fully enclosed. The units are suitable for electric systems of rated frequency of 50/60Hz and rated voltage of 24kV and below. They are used in indoor or outdoor service conditions. The products are designed in accordance with Standards IEC60044-2, IEC61869-3 and ANSI/IEEE C57.13.

Features


New magnetic material using

protection or measurement windings

Measurement accuracy is 0.2s higher.
Phase shift is stability
Designed life is 30years long

PARAMETERS

Model Rated Voltage Ratio(KV) Accuracy class and Accuracy class combination rated secondary output (VA) Limited output (VA) Rated insulation level (KV) Surface creepage distance (mm) Once fuse(A) Wt(KG)
JSZW-20 20000/100 0.2---40
0.5---100
1---250
3---500
800 24/65/125 860 0.2 56
20000/220
20000/100/100 0.2/0.2---20/20
0.2/0.5---20/30
0.5/0.5---50/50
400/400
20000/220/220 500/800
JDZXW-20G
20000/√3
100/√3 100/√3
0.2/6P(3P)---30/100
0.5/6P(3P)---60/100
1/6P(3P)---150/100
3/6P(3P)---250/100
600
20000/√3
100/√3 100/√3 100/√3
0.2/0.2/6P(3P)---15/15/100
0.2/0.5/6P(3P)---15/15/100
0.5/0.5/6P(3P)---40/40/100
300/300


Product Tags:

instrument voltage transformer

      

power voltage transformer

      
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