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d41 series mov for substation arrester
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d41 series mov for substation arrester
metal oxide varistor calculator
metal oxide varistor schematic symbol
metal oxide varistor ratings
metal oxide varistor pdf

D41 Series MOV Block for Substation Arrester

D41 Series MOV for Substation Arrester offers superior surge protection for 35kV heavy load applications. It is a reliable, cost-effective solution that is easy to install and maintain. The varistors offer a wide range of protection, including lightning and surge protection, for all types of substation equipment. Its advanced design ensures that it can withstand high voltages, making it an ideal choice for substations. Its compact size also makes it easy to install and maintain. The D41 Series MOV for Substation Arrester is the perfect choice for protecting your substation equipment and ensuring uninterrupted service.

TGE Specification of D41H22 Metal Oxide Arrester Blocks


Type

D41H22

Nominal discharge current In kA

10

Suggested rated voltage kV

3.66

Diameter mm

41±0.8

Height mm

22±0.3

AVG Gradient V/mm

250

DC U1mA kV

5.48±0.30

Iref mA

3

Uref kV

3.88

Ures kV

9.70±0.54

8/20uS repetitive charge transfer Qrs C

0.5

2ms repetitive charge transfer Qrs C

0.9

2ms duration of rectangular impulse current A

500

4/10µs high current test kA

100

Accelerated ageing test Kct

≤ 1.0

Note:

  • The nouns, parameters and corresponding test methods in this parameter list conform to the standards of IEC60099-4:2014 and GB11032-2020.

  • The rated voltage, power frequency reference current and power frequency reference voltage are reference values.

  • The 2ms square wave tolerance value is based on the declared current/2ms repetitive charge transfer charge Qrs=423, if the actual test waveform 2ms current/2mS repetitive charge transfer charge Qrs is not equal to 423, it should be corrected according to the actual 2ms current waveform and Qrs value.

  • The charging rate of the aging test was 90%.

  • The number of pulses for the high current withstand value is two.




TGE Specification of D41H29 Metal Oxide Arrester Blocks


Type

D41H29

Nominal discharge current In kA

10

Suggested rated voltage kV

4.9

Diameter mm

41±0.8

Height mm

29±0.3

AVG Gradient V/mm

250

DC U1mA kV

7.29±0.30

Iref mA

3

Uref kV

5.16

Ures kV

12.9±0.54

8/20uS repetitive charge transfer Qrs C

0.5

2ms repetitive charge transfer Qrs C

0.9

2ms duration of rectangular impulse current A

500

4/10µs high current test kA

100

Accelerated ageing test Kct

≤ 1.0

Note:

  • The nouns, parameters and corresponding test methods in this parameter list conform to the standards of IEC60099-4:2014 and GB11032-2020.

  • The rated voltage, power frequency reference current and power frequency reference voltage are reference values.

  • The 2ms square wave tolerance value is based on the declared current/2ms repetitive charge transfer charge Qrs=423, if the actual test waveform 2ms current/2mS repetitive charge transfer charge Qrs is not equal to 423, it should be corrected according to the actual 2ms current waveform and Qrs value.

  • The charging rate of the aging test was 90%.

  • The number of pulses for the high current withstand value is two.




TGE Specification of D41H36 Metal Oxide Arrester Blocks


Type

D41H36

Nominal discharge current In kA

10

Suggested rated voltage kV

6.08

Diameter mm

41±0.8

Height mm

36±0.3

AVG Gradient V/mm

250

DC U1mA kV

9.05±0.40

Iref mA

3

Uref kV

6.4

Ures kV

16.02±0.72

8/20uS repetitive charge transfer Qrs C

0.5

2ms repetitive charge transfer Qrs C

0.9

2ms duration of rectangular impulse current A

500

4/10µs high current test kA

100

Accelerated ageing test Kct

≤ 1.0

Note:

  • The nouns, parameters and corresponding test methods in this parameter list conform to the standards of IEC60099-4:2014 and GB11032-2020.

  • The rated voltage, power frequency reference current and power frequency reference voltage are reference values.

  • The 2ms square wave tolerance value is based on the declared current/2ms repetitive charge transfer charge Qrs=423, if the actual test waveform 2ms current/2mS repetitive charge transfer charge Qrs is not equal to 423, it should be corrected according to the actual 2ms current waveform and Qrs value.

  • The charging rate of the aging test was 90%.

  • The number of pulses for the high current withstand value is two.




Features of D41 Series MOV for Substation Arrester


Features of D41 Series MOV for Substation Arrester


The D41 Series MOV for Substation Arrester is a reliable and durable solution for 35kV heavy load surge arrester. It is constructed from high quality materials and is designed to meet the most stringent safety requirements. The MOV varistor block provides superior protection from surges and lightning strikes, ensuring reliable operation and preventing costly damage. Its compact design is ideal for easy installation and maintenance and it has a long service life even in harsh environments. As a leading metal oxide varistor manufacturer, TGE is dedicated to providing top-tier products like the D41 Series MOV for Substation Arrester. The zinc oxide varistor function of our MOV disc ensures superior surge protection, safeguarding your electrical systems from damaging voltage spikes and ensuring their longevity.

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Do you have any questions regarding MOV blocks or MOV disks?

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