keema report on pd test
Post on 06-Jan-2016
16 Views
Preview:
DESCRIPTION
TRANSCRIPT
-
5.3 Partialdischargemeasurernent
1a
IEC 60076-11, clause 22.4.1.126 February 2013
Standard and dateStandardTest date
Ambient air pressureHumidity
-l-
Trc 1370-'13
'1030 ht)ai g/m
Environmental conditionsAmbient temperatureTemperature of test object
Characteristic test dataCalibrationNoise levelCoupling capacitors 260A . PFBandwidth
.t0O-aLf9-*fJ7Test frequeircy, I- ; t ,,tt ,. A9L-H.L:Rated voltage (U)Test conditions | '. ,This test voltage is 80% of the sp'ecified test.levei.
20 0c'19 "c
5pc1pc
-l t_1,o.* lf'JL-EL.-
Low-vo[age winding-
High-votlage winding-
Coupling pacitorCPL
- Quadripole/Messuing impedance
- AQuisition unil
- MCU-Controlunil
HVCK
terminal voltage applicationl) duration
(s)
partialdischarge
level
(pc)
inception extinction result
..xU,/./3
phase-to-earth voltage
(kv) (kv) (pc) (kv) (pc)A 1,6 10,2 30
1,3 8,3 1g0 2) nd passed
B 1,6 10,2 30
1,3 8,3 190 ') nd passedC 1,6 10,2 30
1,3 8,3 190 2) nd passed
1) The transformer was supplied with a three-phase voltage on the LV winding2) The partial discharge value was measured at the end ofthe 180 seconds
Requirements
The partial discharge levels at 1 ,3 U, shall not exceed 10 pC.
Result
The transformer passed the test.
top related