220KV Outdoor Oil Immersed Single Phase Current Transformer

220kv outdoor oil immersed single phase current transformer HYEE The Famous Trademark of China A Professional Manufacturer of 0.5~330kV Instrument Transformer 17 YEARS MANUFACTURING EXPERIENCE Your Electric Power Transmission & Distribution Partner Presently our 220/230kV CT has been sold to...

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220kv outdoor oil immersed single phase current transformer

HYEE The Famous Trademark of China

A Professional Manufacturer of 0.5~330kV Instrument Transformer

17 YEARS MANUFACTURING EXPERIENCE

Your Electric Power Transmission & Distribution Partner

Presently our 220/230kV CT has been sold to Pakistan, Mongolia, Bangladesh, Syria, North Korea,  Chile, Peru and so on, also in China State Grid we have supplied more than 1000pcs without any quality problem happened.

Our 220/230kv current transformer have quality and price advantages, because most parts are manufactured by ourselves except for insulator and oil, our product has been passed the type test from independent lab according to IEC 61869-1/2.

Also we have our own design which can meet high creepage distance and extremely cold area, can satisfy some special end user’s requirement.

We have our own test lab which can conduct all the routine tests and some type tests. Make sure  all the goods are with qualified condition before ex-factory.

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Product Name

220kv outdoor oil immersed single phase current transformer

Brand Name

HYEE

Origin

Dalian,CN (Mainland)

Phase

Single

Coil Structure

Wound

Coil Number

1-6

Color

Brown/White

Frequency

50/60Hz

Certification

ASTA/CTQC/IEC/SGS/ISO9001

Package

Wooden Carton

Delivery Time:

30 days


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Rated voltage, kV

66

110/115

132/138

150

220/

230

330

Highest voltage for equipment, kV

72.5

126/123

145

170

245

252

363

Rated frequency, Hz

50; 60

Rated power frequency withstand voltage, kV

140/160

230

275

325

460

510

Rated lightning impulse voltage, kV

325/350

550

650

750

1050

1175

Flashover distance, mm

700

1100

1300

1500

2100

2350

Cree. distance, mm

W1:1450

W2:1820

W3:2250

2520

3150

3910

2900

3630

4500

3400

4250

5270

5040

6300

7820

7260

9075

11253

Mechanical load, N

3000

3000

4000

4000

4000

4000

Rated primary current, A

1~2500

Rated secondary current, A

1;2;5

Accuracy class

0.1; 0.2; 0.5; 0.2S; 0.5S; 0.5S; 5P; 10P; PX…

Rated output(recommended value), VA

1A: 10~30 VA

2A: 10~30 VA

5A: 15~50VA

Instrument security factor  FS

5; 10

Accuracy limit factors  ALF

10; 15; 20; 25; 30; 40

Short-time thermal current (Maximum), kA

40kA/3s


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◆It is oil/paper insulation system, the primary insulation is wound from high voltage cable paper, and  is placed several capacitor screen of voltage division in the primary insulation, which can improve electric field distributing and decrease the consumption of insulation material. It will be immersed with transformer oil  after desiccating under vacuum. It has advantages of stable and reliable performance of insulation, rich successful experience, a long life time and convenient maintenance.

◆Hermetically sealed stainless steel metallic bellows is installed on the top, which protect  the transformer oil from moisture and extend the life time, also there is a oil level gauge on the bellows for observing the changing of oil volume.

◆Two optimization design external insulation types offered for user for inside and outside  electric field without discharge

1. Composite insulator

2. High strength porcelain bushing

◆There is a multi function oil drain valve on the base, which make it more convenient  for sampling, draining.

◆The base uses spray painting or hot galvanizing, which gives a high degree of corrosion  resistance.

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