Comparc BRONCO 255K XD - Page 30

PM1323
TABLE 7-2 SINGLE PHASE INDUCTION MOTOR STARTING REQUIREMENTS.
CODE
Volts = 230 HP = 1/4 using table 8-2; code M = 11.2 KVA / HP
11.2 x 1/4 x 1000
Therefor, starting the motor requires 12.2 Amperes.
EXAMPLE 3: Calculate the starting amperage required for a 230 V, 1/4 HP motor start code of M
KVA / HP x HP X 1000
VOLTS
= STARTING AMPERAGE.
VOLTS
= 12.2 A.
FIG. 7-3 POWER REQUIRED TO START MOTOR.
FIG. 7-4 STARTING AMPERAGE CALCULATION
G
KVA/HP 6.3
H
7.1
J
8.0
K
9.0
L
10.0
M
11.2
N
12.5
P
14.0
1.- MOTOR RATING LABEL.
2.- MOTOR START CODE.
Determine power required to start motor using
Table 7-2. Determine starting amperage requiered
as shown in Figure 7-4.
3.- RUNNING AMPERAGE REQUIREMENT.
If code is not present, multiply running requirements
by six. Generator amperage output must be at
least twice the motor's running amperage
requirement.
2
1
AC MOTOR
VOLTS 230 AMPS 2.5
CODE Hz 60
HP 1/4 1 PHASE
3
25