Dead Tank Current Transformer

Dead Tank Current Transformer Dead Tank Current Transformer It is oil paper insulation structure. The main 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...

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Dead Tank Current Transformer

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Dead Tank Current Transformer

It is oil paper insulation structure. The main 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.

◆Perfect fluidity performance of transformer oil is good for heat dissipation, it also has self recover ability for the failure of partial discharge caused by air bubble and dust.

◆The current ratio can be changed easily by switching the connection method of Primary  winding to series or parallel.

◆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.

◆All adopted insulation parts are environmental protection material.

◆Secondary terminal board is made of epoxy casting, the seal performance is more reliable.

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

◆Fasteners and nameplate are stainless steel.


Product Name

Dead Tank Current Transformer

Brand Name

HYEE

Origin

Dalian, CN (Mainland)

Phase

Single

Coil Structure

Toroidal

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 frequency,Hz

50; 60

Rated voltage,kV

33or 35

66 or 69

110 or 115

132 or 138

150

220 or 230

Highest voltage for equipment,  kV

36 or 40.5

72.5

123 or 126

145

170

245 or 252

Rated power frequency withstand voltage, kV

95

160

230

275

325

460

Rated lightning impulse voltage,  kV

200

350

550

650

750

1050

Flashover distance,  mm

385

700

1100

1300

1500

2100

Cree. distance,  mm

W1:810mm

W2:1020mm

W3:1260mm

W1:1450

W2:1820

W3:2250

W1:2520

W2:3150

W3:3910

W1:2900

W2:3630

W3:4500

W1:3400

W2:4250

W3:5270

W1:5040

W2:6300

W3:7820

Mechanical load, N

3000

3000

3000

3000

3000

4000

Rated primary current, A

5~5000

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

Short-time thermal current(Maximum),kA

50kA/3s

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