Exciting Amperage; Resistance Value - Shindaiwa DGK25F Service Manual

(1) Exciting Amperage

Amperage fluctuates based upon the winding temperature. Following is for reference only.
Frequency/Rated Output
3-Phase 60Hz: 20 kW

(2) Resistance Value

Nominal resistance of the winding is tolerated
The resistance must be measured by low resistance tester. It can not be measured by
multi-purpose tester due to index error.
Main Stator
1
Armature
Between
1-2 (L1)
2-3 (L2)
3-1 (L3)
#1
Ω
0.65
#2
0.16Ω
(B) (W)
Black White
1. Armature (Main Stator
Measure the resistance among the U-W by the low ohm tester. Each shall be 0.16 x 4=0.65Ω.
Full load( power factor=1.0)
Exciter Stator
2
Exciter Winding J－K
A – B
B – C
C – A
Ω
1.35 23.2
(R) (G) (Y)
Red Green Yellow
) #1
Load
No load
within ± 10% at 20℃ of the ambient temperature.
Measurement value (Ω）
3 4
Exciter Field
- -
Ω Ω
13.4
(Br) (L)
Brown Blue Orange
1-2 (L1)
2-3 (L2)
3-1 (L3)
14
Exciting Amperage
(Measured)
0.34A
0.60A
Rotor
5
Armature
-
Ω
2.7
(Or) (Gr) (Vi)
Gray Violet
when the voltage selector switch is
set at 480V：