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(Handover test).

Entrusting unit: Yuanhe Intelligent Manufacturing (Shandong) Energy Co., Ltd

Test unit: Shandong Phaeton Electric Power Engineering Co., Ltd

Date of preparation: July 31, 2025

(Total pages of this report)

10kV High Voltage Switchgear, Power Cable and Transformer Test Report

Line name: #1 transformer ring network outlet cabinet - transformer Test date: 202507.29

1. Nameplate parameters Weather: sunny temperature: 30°C Humidity: 45%

1. High-voltage switchgear

Product model

MGA-12 (Type V)

Rated voltage

12KV

Rated current

630 amps

Rated short-circuit breaking current

20KA

Date of manufacture

April 2025

Factory number

25041425

Mercy Electric Co., Ltd

2. 8.7/15kV cable

Product model

YJV22-8.7/15

Rated voltage

8.7/15kV

Cable length

3.5 meters

Cable section

70 mm2

Factory date

2025.7

Number of cable cores

1

Manufacturer

Shanghai Qifan Cable Co., Ltd

3. Transformer

Product model

S-2075/11.5

Rated voltage

11.5KV

Rated capacity

2750KVA的

Connect groups

Dand11

Factory date

2025.7

Factory number

Manufacturer

Chint Electric Co., Ltd

2. Test equipment

serial number

Name

Model number

numbering

1

Insulation resistance tester

3125

2310250082

2

Frequency conversion resonance complete set of test device

TKJW-240KVA/120kV

210618

3. Insulation resistance test

The main loop insulation resistance test is performed on the high-voltage switchgear, high-voltage cable, and transformer at a voltage level of 2500V.

Farewell

Pre-test insulation (MΩ)

Post-test insulation (MΩ)

conclusion

Phase A

5000

5000

qualified

Phase B

5000

5000

qualified

C phase

5000

5000

qualified

4. AC withstand pressure test

The main loop power frequency withstand voltage follows the IEC60076, IEC60502-2 standards, and the AC withstand voltage test is carried out on the high-voltage switchgear, high-voltage cable and transformer, and the test voltage level is 30.5KV, 1 minute.

Farewell

Test Voltage (kV)

Test time(min)

conclusion

A to the ground

30.5

1

Pass

B to the ground

30.5

1

Pass

C to the ground

30.5

1

Pass

5. Phase check

Phase check

The two ends are in phase

6. Test conclusion:

The test data conforms to the "(GB 50150-2016) Test Standard for the Handover of Electrical Equipment in Electrical Installation Engineering", I EC test standard and manufacturer's technical parameters, and the test is qualified.

 

Tester: Reviewer: