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TPS3 Atmospheric pressure Sealed Air Insulated Ring Main Unit

TPS3 atmospheric pressure sealed air insulated ring main unit is a new type of power distribution equipment launched by Hezong Science and Technology Co., Ltd., the basic principle of which is to use atmospheric pressure sealed air insulation technology, to use air as an insulating medium to ensure the safe operation of high-voltage electrical equipment. This technology can effectively avoid the influence of pressure changes, temperature changes and environmental pollution caused by closed structures, so that the equipment has better electrical performance.
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Product Parameters

Performance characteristics

1. Stable electrical performance.

2. Environmental friendly and prevention of pollution.

3. Easy maintenance.

 

Technical parameters

 

SN

Name

Parameters

1

Rated Voltage（kV）

12

2

Rated Frequency（Hz）

50

3

Interrupter Type

 

Vacuum

4

Insulating Medium

atmospheric pressure air

5

Rated Current （A）

630

6

绝缘水平

Insulation level

Rated Lightning Impulse Withstand Voltage (kV) （1.2/50μs）（Peak Value）

Phase to Phase, Phase to Earth

75

7

Switch Fracture

75

8

Isolation Fracture

85

9

Rated Power Frequency Short Time Withstand Voltage （kV）（1min）

Phase to Phase, Phase to Earth

42

10

Switch Fracture

42

11

Isolation Fracture

48

12

Rated Short Time Withstand Current（kA）

25

13

Rated Peak Value Withstand Current（kA）

63

14

Rated Short Circuit Duration Time（s）

4

15

Lifetime (Years)

≥30

16

Creepage ratio distance of insulators in the cabinet

≥20

17

Enclosure Protection Degree

IP4X

18

Gas Enclosure Protection Degree

IP65

 

 

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