Kohler EKOZD Series

27Section 1 SpecificationsTP-6953 7/19
1.7 Electrical Values (13- 32EKOZD/11- 28EFKOZD Models)
Component Specification (12-Lead)
13EKOZD/
11EFKOZD
and
14EKOZD/
12EFKOZD
4D3.1
15EKOZD/
13EFKOZD
and
16EKOZD/
13.5EFKOZD
4D3.8
20EKOZD/
16.5EFKOZD
and
21EKOZD/
17EFKOZD
4D4.2
23EKOZD/
19.5EFKOZD
and
24EKOZD/
20.5EFKOZD
4D5.0
32EKOZD
and
28EFKOZD
4D8.3
Hot exciter field winding voltage/amperage readings at rated voltage
No load (63 Hz)—volts/amps 6/0.7 8/1.2 7/1.0 7/0.9 7/0.9
Full load (60 Hz)—volts/amps 26/3.4 38/4.8 30/4.0 25/3.5 30/2.7
No load (50 Hz)—volts/amps 7/0.8 10/1.4 8/1.0 8/1.0 8/1.0
Exciter field winding resistance (cold)—ohms @ 20_C(68_F) 5.8 7.2
Exciter armature resistance (cold)—ohms (line-to-line) 0.5 0.5 0.5 0.6 0.6
Main field (rotor) resistance (cold)—ohms @ 20_C(68_F) 3.2 3.5 3.6 4.0 5.3
Stator output voltages with separately excited generator, using 12-volt battery (60 Hz only)
1- 4, 2- 5, 3- 6, 7- 10, 8- 11, 9- 12—volts >150
60- 61—volts >150
60- 62—volts >150
Cold stator resistance
1- 4, 2- 5, 3- 6, 7- 10, 8- 11, 9- 12—ohms 0.20 0.12 0.09 0.09 0.04
60- 61—ohms 1.1 0.5 0.47 0.7 0.5
60- 62—ohms 2.2 1.0 1.1 1.4 1.0
Component Specification (4-Lead)
13EKOZD/
11EFKOZD
and
14EKOZD/
12EFKOZD
4E3.1
15EKOZD/
13EFKOZD
and
16EKOZD/
13.5EFKOZD
4E3.8
20EKOZD/
17.5EFKOZD
and
21EKOZD/
18EFKOZD
4E4.2
23EKOZD/
20EFKOZD
and
24EKOZD/
20.5EFKOZD
4E5.0b
32EKOZD
and
28EFKOZD
4E8.3
Hot exciter field winding voltage/amperage readings at rated voltage
No load (63 Hz)—volts/amps 5.7/0.8 5.7/0.8 5.9/1.0 9/1.2 9/1.1
Full load (60 Hz)—volts/amps 19/2.6 26/3.4 30/4.0 17/1.8 20/2.5
No load (50 Hz)—volts/amps 13/1.7 13/1.7 13/2.1 19/2.5 19/2.3
Exciter field winding resistance (cold)—ohms @ 20_C(68_F) 5.8 7.2
Exciter armature resistance (cold)—ohms (line-to-line) 0.5 0.5 0.5 0.73 0.6
Main field (rotor) resistance (cold)—ohms @ 20_C(68_F) 3.2 3.5 3.6 4.0 5.3
Stator output voltages with separately excited generator, using 12-volt battery (60 Hz only)
1- 2, 3- 4—volts >150
60- 61—volts >150
60- 62—volts >150
Cold stator resistance
1- 2, 3- 4—ohms 0.15 0.14 0.13 0.12 0.06
60- 61—ohms 1.1 0.5 0.44 0.7 0.5
60- 62—ohms 2.2 1.0 1.1 1.4 1.0