Question 1

Are you a manufacturer or a trading company?

Accepted Answer

We are a professional manufacturer with our own production facilities and engineering team.

Question 2

Do you accept factory inspection or audit?

Accepted Answer

Yes, we welcome factory inspections and audits. Customers or third-party inspection agencies are welcome to visit our factory at any time.

Question 3

What are the main components of a European type compact substation?

Accepted Answer

A European type compact substation usually consists of an HV compartment, transformer compartment, LV compartment, and enclosure. The HV compartment can be equipped with load break switch, fuse, RMU, or vacuum circuit breaker. The transformer compartment can be equipped with an oil immersed or dry type transformer. The LV compartment can be equipped with LV switchgear, circuit breakers, metering unit, and reactive power compensation device.

Question 4

Can the European type compact substation be customized?

Accepted Answer

Yes. The European type compact substation can be customized according to project requirements, including capacity, voltage level, transformer type, switchgear configuration, incoming and outgoing method, enclosure size, color, protection degree, metering method, and reactive power compensation solution.

Question 5

What are the common capacities of European type compact substations?

Accepted Answer

Common capacities include 100kVA, 160kVA, 250kVA, 315kVA, 500kVA, 630kVA, 800kVA, 1000kVA, 1250kVA, 1600kVA, 2000kVA, and 2500kVA. Customized capacities are also available according to project requirements.

Question 6

What are the common voltage ratings?

Accepted Answer

Common high voltage ratings include 10kV, 11kV, 20kV, 24kV, 33kV, and 35kV. The low voltage side is usually 0.4kV or 400V. The specific voltage rating can be customized according to local grid requirements.

Question 7

Can it be equipped with an oil immersed transformer or dry type transformer?

Accepted Answer

Yes. It can be equipped with an oil immersed transformer or dry type transformer according to the operating environment and project requirements. Oil immersed transformers offer strong heat dissipation and are suitable for outdoor and general distribution projects. Dry type transformers are oil-free and suitable for places with higher fire safety and environmental requirements.

Question 8

What is the difference between a European type compact substation and an American type substation?

Accepted Answer

A European type compact substation usually adopts separate HV, transformer, and LV compartments, offering clear layout, easy maintenance, and flexible configuration. An American type substation generally integrates the transformer, HV load switch, and LV protection devices in one oil tank or compact enclosure, with a more compact design. The selection should be based on project standards, installation environment, and grid requirements.

Question 9

Can the protection degree be selected?

Accepted Answer

Yes. The enclosure protection degree can be selected according to the installation environment, such as IP23, IP33, IP54, or other customized ratings. For outdoor, dusty, humid, or corrosive environments, suitable protection and anti-corrosion solutions should be selected.

Question 10

What enclosure materials are available?

Accepted Answer

Common enclosure materials include steel plate, stainless steel plate, aluminum-zinc coated steel plate, and composite panel. The enclosure surface is usually treated with anti-corrosion painting or powder coating. Color and appearance can be customized according to customer requirements.

Question 11

What equipment can be installed in the HV compartment?

Accepted Answer

The HV compartment can be equipped with load break switch, fuse, ring main unit, vacuum circuit breaker, surge arrester, live display device, earthing switch, and HV metering device according to the project solution.

Question 12

What equipment can be installed in the LV compartment?

Accepted Answer

The LV compartment can be equipped with LV circuit breakers, busbars, outgoing circuits, meters, current transformers, capacitor compensation cabinet, surge protection device, and LV distribution units.

Question 13

What tests are performed before delivery?

Accepted Answer

Before delivery, the European type compact substation is usually subject to appearance inspection, mechanical operation check, wiring inspection, insulation resistance test, power frequency withstand voltage test, grounding continuity check, interlock function check, and transformer routine tests. Specific test items can be confirmed according to standards and project requirements.

Question 14

What standards can the European type compact substation comply with?

Accepted Answer

The European type compact substation can be designed, manufactured, and tested according to IEC, GB, or other relevant standards based on project requirements. Common reference standards include IEC 62271-202, IEC 60076, GB/T 17467, GB/T 1094, and others. The specific applicable standards can be confirmed according to the customer's country, grid requirements, and project technical specifications.

Question 15

What information is required when ordering?

Accepted Answer

Customers usually need to provide rated capacity, high voltage, low voltage, frequency, transformer type, connection method, HV and LV configuration, incoming and outgoing method, protection degree, installation environment, dimension requirements, and related drawings or technical specifications.

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