Equipment required for installation (repair, test) power facility permits (tested class II)

Serial number

Machine equipment name

Unit

Quantity

Specification

Model Name

One

High-voltage generating equipment

1

DC high voltage generator

set

1

DC：250kV/5mA

YNZGF-250/5

2

Power frequency withstand voltage test device

set

1

AC：10kVA/100kV

YNYDJ-10/100

3

Power frequency withstand voltage test device

set

1

AC:5kVA/50kV

YNYDJ-5/50

4

Frequency conversion series resonance test complete set

set

1

2000kVA/400kV/5A 30～300Hz

YNXZ-2000/400

5

Induction withstand voltage test device

set

1

5kVA/360V 150Hz

YNSBF-5/360

Two

Electrical measuring instruments

1

High voltage dielectric loss tester

station

2

1. The medium measurement accuracy is 1%
2. The capacitance accuracy is 0.5%
3. Anti-interference frequency conversion

YNJS-H

2

Loop resistance tester

station

2

DC：≥100A

YNHL-100A

3

Transformer volt-ampere characteristic tester

station

1

2200V/5A

YNFA-II

4

Ground Resistance Tester

station

1

Inter-frequency method

YNDW-3A

5

Capacitance and inductance tester

station

1

YNRG-H

6

Ground continuity tester

station

1

DC：10A

YNDT-10A

7

Transformer DC Resistance Tester

station

2

DC：≥10A

YNZZ-10A

8

Transformer ratio tester

station

1

Digital 0.5 level

YNBC-H

9

Transformer winding deformation tester

station

1

Frequency response method

YNRZ-800A

10

On-load tap changer tester

station

1

I≥1A

YNYZ-H

11

Circuit breaker characteristic tester

station

2

YNGK-6F

12

Zinc oxide arrester resistive current tester

station

1

YNYB-H

13

Three-phase relay protection tester

station

2

Two groups of three-phase voltage and current

YNJB-1200

14

Transmission line parameter tester

station

1

Inter-frequency method

YNXL-Y

15

Lightning strike counter calibrator

only

1

YNFD-H

16

Insulation Resistance Tester

station

2

DC: 0～5000V 200G(Ω)
Short circuit current ≥5mA

YN-5000

Three

Oil and gas test equipment

1

SF6 leak detector

station

1

Sensitivity 1ppmv

XP-1A

2

SF6 Gas Moisture Tester

station

1

YNWS-H

3

SF6 gas density calibrator

station

1

Accuracy 0.2 level
Pressure range 0～1.0Mpa

YNMD-H

4

Insulating oil chromatograph

station

1

YNYSP-2030

5

Insulating oil closed flash point tester

station

1

YNBS-H

6

Insulating oil micro water meter

station

1

PPM level

YNYWS-H

7

Insulating oil acid value tester

station

1

YNYSZ-H

8

Insulating oil PH tester

station

1

YNYPH-H

9

Automatic dielectric loss measuring instrument for insulating oil

station

1

YNYJS-H

10

Insulating oil dielectric strength tester

station

1

YNJY-1001

Four

Commonly used instruments

1

Megohmmeter

only

2

DC：2500V

YN2671

2

Megohmmeter

only

2

DC：500V

YN2670

3

Digital double clamp phase voltammeter

only

2

Measuring current 1mA～5A

SMG2000B