iecee-ctl eql 60502-4_ed3_201404

IEC SYSTEM FOR CONFORMITY TESTING AND CERTIFICATION OF ELECTRICAL EQUIPMENT

COMMITTEE OF TESTING LABORATORIES

60502-4: 3.0Edition

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TESTING AND MEASURING EQUIPMENT/ALLOWED SUBCONTRACTING Power cables with extruded insulation and their accessories for rated voltages

from 1kV (Um=1,2kV) up to 30kV (Um=36kV) Part 4: Test requirements on accessories for cables for rated voltages

from 6kV (Um=7,2kV) up to 30kV (Um=36kV) IEC 60502-4 3.0 Edition (2010-12)

R=Required by Lab S=May be subcontracted

Clause Measurement/testing Testing / measuring equipment / material needed Subcontracting

Table 5,6,7,8,9,11,12

IEC 61442 cl.4

AC voltage test High voltage power supply (AC); suitable time meter. R

Table 5,6,7,8,9,11,12

IEC 61442 cl.5

DC voltage test DC voltage power supply; suitable time meter. R

Table 5,6,7,8,9,11,12

IEC 61442 cl.7

Partial discharge test

- at θt

- at ambient temperature

High voltage power supply(AC); Measuring circuit; Discharge calibrator; Double pulse generator;

Current heating system; thermocouple;

R



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Table 5,6,7,8,9,11,12

IEC 61442 cl.6

Impulse voltage test

- at θt

- at ambient temperature


Impulse voltage generator;

R

Table

5,6,8,9,11,12

IEC 61442 cl.9.2 and 9.3

Heating cycles voltage test

- in air

- under water


Water tank; High voltage power supply (AC);

R

Table 5

IEC 61442 cl.9.4

Immersion test for outdoor termination Water tank;


R

Table 5,6,8,9

IEC 61442 cl.10 and cl.11

Thermal short-circuit test

- screen

- conductor


Short -circuit generator and control system.

S

Table 5,6,8,9

IEC 61442 cl.12

Dynamic short-circuit test Short-circuit generator and control system S

Table 5

IEC 61442 cl.13

Humidity test Single or three-phase a.c. voltage source.

Humidity test chamber equipped with spray nozzle or other form of

humidifier capable of discharging atomized water at a rate of (0.4±0.1)l/h/m3 volume;

R



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spay water with the conductivity of (70±10)mS/m

Table 6

IEC 61442 cl.13

Salt fog test Single or three-phase a.c. voltage source.

Humidity test chamber equipped with spray nozzle or other form of

humidifier capable of discharging atomized water at a rate of (0.4±0.1)l/h/m3 volume;

spay water with the conductivity of (1600±200)mS/m

S

Table 8,9 Disconnect / connect Manual way R

Table 8

IEC 61442 cl.19

Operating eye test suitable tool to apply the tensile force to operating eye;

Suitable tool to apply the rotational torque to operating eye with clockwise direction and anti-clockwise direction.

R

Table 8

IEC 61442 cl.15

Screen resistance measurement Silver painter or wraparound electrode;

Oven; Timer;

Testing apparatus for measuring resistivity which power dissipation in test circuit shall not exceed 100mW.

R

Table 8

IEC 61442 cl.16

Screen leakage current 50mm×50mm metal foil; Resistance of 2000Ω;Millimeter; A.C.

power supply.

R

Table 8

IEC 61442 cl.17

Screen fault current initiation test Erosion resistance metal faulting rod of approximately 10mm in diameter; Copper wire of approximately 0.2mm in diameter;

Circuit a.c. voltage generator and control system which can initiate

S



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the fault current and control voltage switched on and off;

Table 8

IEC 61442 cl.18

Operation force Conditional chamber (-20±2) ℃; Timer; Measurement force

equipment.

R

Table 8

IEC 61442 cl.20

Capacitive test point performance Differential bridge or other capacitance measurement device. R

Table 5,6,7,8,9,11,12

Examination By naked eyes. R

iecee-ctl eql 60502-4_ed3_201404

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