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24kV Solid Insulation Electrical Switchgear Ring Main Unit

The AVR series intelligent compact solid insulation switch equipment is the company based on the development needs of smart grid, integrates \"intelligent, energy saving, environmental protection, freevilled\", combined with the actual situation and intelligent power grid construction requirements in combination with my country's distribution network. Secondary integration technology, developing production of independent intellectual property, domestic first intelligent permanent magnet (spring) vacuum switching equipment, integral, control, protection, communication and other functions, high intelligence. This product applies to power systems of 50Hz, 12KV, 24KV, 40.5KV, widely used in industrial and civil cable ring networks and power-on-end projects, and is the preferred equipment to ensure power grid safety, reliable, economical and efficient operation.
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24kV Solid Insulation Electrical Switchgear Ring Main Unit


Ring Main Unit

The AVR series intelligent compact solid insulation switch equipment is the company based on the development needs of smart grid, integrates "intelligent, energy saving, environmental protection, freevilled", combined with the actual situation and intelligent power grid construction requirements in combination with my country's distribution network. Secondary integration technology, developing production of independent intellectual property, domestic first intelligent permanent magnet (spring) vacuum switching equipment, integral, control, protection, communication and other functions, high intelligence. This product applies to power systems of 50Hz, 12KV, 24KV, 40.5KV, widely used in industrial and civil cable ring networks and power-on-end projects, and is the preferred equipment to ensure power grid safety, reliable, economical and efficient operation.


Model Description

Enterprise WeChat screenshot _eb930605-e22b-4b1a-9565-b29c0ccfbd96


Enterprise WeChat screenshot _3D0ECff4-8a45-48f0-8cc0-918dbf7d129a

Note: For more configuration, please contact us.




Use environment

Name

unit

Environmental value

Amazing air temperature

Maximum temperature

+50

Minimum temperature

--40

Maximum temperature difference

K

30

altitude

m

≤5000

Solar radiation intensity

W / cm2

0.1

Contamination


Ice thickness

mm

10

humidity

Daily relative humidity average

%

≤100

Monthly relative humidity average

≤95

Tolerate earthquake

≤8

Note: Environmental parameters are exceeded in the previous table, please contact us.




Product features

Protective function

The fault current can be automatically identified, realizing the transient current speed, time-limited current speed, timing overcurrent, directional overflow, overvoltage, undercarrons, and cool load start suppression, cold load start suppression break.

Measurement function

It can measure the three-phase current, three-phase voltage, active power, reactive power, active power, reactive power, peak / valley, power factor and frequency.

control function

The local operation and distant control can be realized, and the fault location of the line can be automatically implemented, fault isolation and quickly restore non-fault line power supply, realize the low frequency automatic load, automatic capacitor automatic and related control functions.

Data recording function

Information such as operation, operation, and failure can be automatically recorded.

Intelligent function

On-line integrated analysis of the grid parameters, online monitoring of the performance parameters of the circuit breaker, online programming, can cooperate with the main station of the distribution network, implement remote control management of switching equipment, realize local, distant or hierarchical control Automation system function.


















Rated voltage

KV

12

24

40.5

Rated current

A

630/1250

630/1250

1600

Rated frequency

Hz

50

Rated short (1min) power frequency tolerance voltage (on ground / broken)

KV

42/48

65/79

95

Rated lightning impact tolerance voltage (on ground / broken)

KV

75/85

125/145

185

Rated short circuit opening current

ka

20/25

25

25

Rated short-circuitry current (peak)

ka

50/63

63

63

Rated short-term resistance (4S)

ka

20/25

63

63

Rated peak tolerance

ka

50/63

63

63

Rated short-circuit current break

30

Operating agency


Permanent magnet / spring

Vacuum circuit breaker mechanical life

1000 (30000 permanent magnet)

Life of isolation / ground switch

3000

Enclosure rating


IP4X

Circuit breaker rated operation order


O-0.3S-CO-180S-CO

Note: Technical parameters exceed the scope of the previous table, please contact us

The outdoor hydrophobic epoxy resin is used as an insulating material, with a life of more than 40 years, vacuum arc, solid insulation, oilless, no sf6No environmental pollution, no explosion and gas leaks, meet environmental requirements.

Fully sealed waterproof design, high voltage conductor is not exposed, especially for humid and flooded regions, can be reliably powered in wet and water.

The operating mechanism can select a permanent magnet operating mechanism or a spring operating mechanism according to user habits and actual needs.

Isolation, ground switch and circuit breaker integrated design, compact structure and have a sound mechanical and electrical interlock design, which can effectively prevent errors.

A rapid algorithm with national patent technology (patent number: ZL200720037710.7) can be used, so that the circuit breaker has a rapid breaking capability, and it can quickly isolate the fault line. Take 10kV permanent magnetite network cabinet as an example from detection failure to the circuit breaker. The fault line time is less than 25 ms, which can effectively avoid the problem of cross-level trip.

A single-phase grounding protection system with national patent technology (patent number: ZL201020178325.6) can be used, and there is no need to increase the configuration of online judgment on single-phase ground failure of small current grounding systems, and give a alarm or trip operation according to the set value. .

It is equipped with a complete charge display device and a reliable switch position indication.

Modular design, can be extended as needed.

Compact compact, small size, light weight, convenient installation.

Isolation of the fracture visual, in line with safety standards.

The temperature measurement and temperature correction technique is used, so that the switching equipment can be reliable and stable under different environmental conditions in the country.

Note: For other features, please contact us


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