DSH 482 Leakage current

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IEC60335试验指甲

DSH 482 6 {) G$ L# t2 E . Y+ w; ^& i' K6 X

Leakage current

13.2

60335-1(ed.3) 1 \% s1 }' `2 x& i

Standard: IEC 60335-1:1991, 3rd Ed.
  S) [2 Y; o( b9 f. P9 H- \! QSub clause: 13.2
1 _7 Z7 X: s/ O) v$ `& ^2 F7 {Sheet No. DSH-482
8 {8 ]% D+ X' }; K" k* A: Z+ YSubject: Leakage current
1 {" U5 c& i& r1 b8 jKey words: - leakage current of appliances with a 3-phase heating element and a 1-phase motor.
6 \/ p, b3 c5 d$ p  ?* GDecision taken at the 40th CTL meeting 2003
* \6 r& j! }5 w0 \& ~$ N( EQuestion:
How is measurement of leakage current for appliances with a 3-phase heating element and a
# F. O8 |2 A( R/ {- [! W1-phase motor made?
Rationale:
, }! V% g- Z, wSee question.
Decision:
When using figure 6 or figure 7, only the switches in the phases other than the phase for the
! }5 |/ ~) T" ?1 @" w2 d+ Bmotor are disconnected, if the construction of the appliance permits so. Otherwise all 3
1 @- s7 l; L$ G1 r( Uswitches are disconnected in turn, the motor being separately supplied. Then the leakage
currents are measured separately and the values for the motor and the relevant phase for the
# X( N; S: M6 \& J( x. cheating element are added.


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