Transformer Neutral Point Type Arresters

Transformer Neutral Point Type Arresters

Transformer neutral point type arresters Picture Show Explanation
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Product Details

Transformer neutral point type arresters


Description

Due to the high voltage, the neutral point generally adopts the direct grounding method. Due to the requirements of the relay protection setting and prevention of communication interference, in order to limit the single-phase short-circuit current, some of the transformers adopt the neutral point ungrounding method. In this mode of operation, due to lightning strikes, single-phase grounding short-circuit faults, etc., which will cause neutral overvoltage, and the transformers are mostly graded insulation, the overvoltage poses a great threat to the insulation of the neutral point and must be protected. 


Main product features:

1.It has a series of outstanding features such as good protection performance, strong cycle ability, short reaction time and good steep wave characteristics.

2. High-quality silicone rubber material used in composite shell, with good anti-tracking and anti-aging properties, hydrophobicity, ion transfer.

3. Adopts special technology and internal structure, with high technical strength and good explosion-proof performance.


Features

1. It has the features of full function, small size, high reliability, easy installation and debugging.

2. The gap discharge voltage is stable and the gap distance is easy to adjust.

3. Finish the electrode with pure copper or high strength stainless steel.

4. The clearance base is installed with lifting rings, and the whole piece is transported and hoisted. The on-site installation is quick and convenient.

5. When installing on site, the mounting bracket can be made of seamless steel pipe with high strength to ensure the stability of the bracket.


Picture Show


Explanation

MOA type

Sys R.V

MOA R.V

MCOV

D.C.U1mA

1/10μs 
Steep 
current 
impulse

8/20μs

Lighting 
current 
impulse

2ms

Rectangular 
current 
impulse(2ms)

4/10μs 
High 
curerent 
impulse

kV(r.m.s)

≮kV

≯kVAkA

HY1.5W-30/80

35

30

24.0

44

80

76

400

65

HY1.5W-55/132

110

55

44.0

79

132

126

400

100

HY1.5W-60/144

110

60

48.0

86

144

135

400

100

HY1.5W-72/186

110

72

58.0

103

186

174

400

100

HY1.5W-73/200

110

73

58.0

105

200

165

400

100

HY1.5W-144/320

220

144

115.8

205

320

299

600

100

HY1.5W-146/320

220

146

116.8

208

320

304

600

100


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