Test item

Standard request

Test results

Evaluation

1

1min power-frequency voltage test

45kV, 1min, no arc-over, no breakdown

45kV, 1min, no arc-over, no breakdown

up to standard

2

partial discharge test

13kV below, discharge capacity is no higher than 20pC

13kV below even at 2pC,

up to standard

3

load cycling test

heating to 90°C～95°C, each cycle 8h, 5h for heating and 3h for cooling, ternary cycle for 3 times

Standard request 3 times of load cycling test

assessment of test

4

partial discharge test(after load cycling test)

13kV below, discharge capacity is no higher than 20pC

13kV below even at 2pC,

up to standard

5

impulse voltage test

105kV, positive and negative polarity 10 times of no arc-over, no breakdown

105kV positive and negative polarity for 10 times, no arc-over, no breakdown

up to standard

6

negative polarity 15min dc voltage test

-52kV, 15minno arc-over, no breakdown

-52kV, 15min, no arc-over, no breakdown

up to standard

7

4h power-frequency voltage test

35kV, 4h, no arc-over, no breakdown

35kV, 4h, no arc-over, no breakdown

up to standard

8

appearance inspection

no crack, no deformation

no crack, no deformation

up to standard

Note: Above test data is provided by Electric power industry electrical equipment quality inspection and test center.

Item

Cable specification
(mm2)

JRSY-10/1×1

10kV heat shrinkable
single-core cross-linked cable
middle connection accessories

25－50

JRSY-10/1×2

70－120

JRSY-10/1×3

150－240

JRSY-10/1×4

300－400

JRSY-10/1×5

500－630

JRSY-10/3×1

10kV heat shrinkable
three-core cross-linked cable
middle connection accessories

25－50

JRSY-10/3×2

70－120

JRSY-10/3×3

150－240

JRSY-10/3×4

300－400