Nameplate amps 26.6 Continuous duty O AC INDUCTION MOTOR MODEL LJM-03-26-1968 H.P HIGH EFFICIENCY O 10 R.P.M. 1755 S.F. 1.00 VOLTS 208-230/460 HZ. 60 PH. 3 AMPS 26.6-24.0/12.0 AMB 50 °C. DUTY CONT. CODE J NEMA NOM EFF. 91.7 CLASS F NEMA DESIGN B FRAME 213T M MILLER SP UL LISTED Lebanon, TN U.S.A 1 hp, 208V, three-phase motor AC INDUCTION MOTOR MODEL NO LJM03261968 H.P HIGH EFFICIENCY RPM 1765 SF 1.15 VOLTS 208-230/460 HZ 60 PH 3 AMPS 36-34/1.7 AMB 40 °C TIME RATING CONT. CODE J NEMA NOM EFF. 902 CLASS F NEMA DESIGN B FRAME 182T MILLER Nameplate amperes 3.6 LISTED 1.5 hp, 208V, three-phase motor HIGH EFFICIENCY O AC INDUCTION MOTOR MODEL NO CRM09061955 HP 1.5 RPM 1765 S.F. 1.15 VOLTS 208-230/460 HZ 60 PH 3 AMPS 5.1-4.7/2.4 AMB 40 °C TIME RATING CONT. CODE J NEMA NOM EFF 90.2 CLASS F NEMA DESIGN B FRAME 182T MILLEN ㄓ Nameplate amperes * 5.1 USTEE LISTED 2 hp, 208V, three-phase motor AC INDUCTION MOTOR MODEL LMCM-3-27-02 H.P HIGH EFFICIENCY RPM 1725 S.F. 1.15 VOLTS 208-230/460 HZ 60 PH 3 AMPS 5,7-5.4/27 AMB 40C DUTY CONT CODE J NEMA NOM EFF 90.2 CLASS F NEMA DESIGN B FRAME 182T MILLER Nameplate amperes -5.7 LISTED

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter12: Power System Controls
Section: Chapter Questions
Problem 12.4P
Question
GRADES: Three-phase system 208 volts All conductors at 75 degrees Celsius Use the maximum standard protections All motors are squirrel cage. 1. System main switch (inverse time switch) 2. Main conductors plus their grounding (ambient temperature is 30 Celsius degrees) 3. Grounding of the grounding electrode and its electrodes (use a delta landing) 4. The main system pipe 5. For 4 motors with nameplate data, see images (they make up a branch of the system) calculate for each:
Nameplate
amps 26.6
Continuous duty
O AC INDUCTION MOTOR
MODEL LJM-03-26-1968
H.P
HIGH EFFICIENCY O
10 R.P.M. 1755 S.F. 1.00
VOLTS 208-230/460 HZ. 60 PH. 3
AMPS 26.6-24.0/12.0 AMB 50 °C.
DUTY CONT. CODE J
NEMA NOM EFF.
91.7 CLASS F
NEMA DESIGN
B
FRAME 213T
M MILLER
SP UL LISTED
Lebanon, TN U.S.A
1 hp, 208V, three-phase motor
AC INDUCTION MOTOR
MODEL NO LJM03261968
H.P
HIGH EFFICIENCY
RPM 1765 SF 1.15
VOLTS 208-230/460 HZ 60 PH 3
AMPS 36-34/1.7 AMB 40 °C
TIME RATING CONT. CODE J
NEMA NOM EFF. 902 CLASS F
NEMA DESIGN B FRAME 182T
MILLER
Nameplate amperes 3.6
LISTED
1.5 hp, 208V, three-phase motor
HIGH EFFICIENCY O
AC INDUCTION MOTOR
MODEL NO CRM09061955
HP 1.5 RPM 1765 S.F. 1.15
VOLTS 208-230/460 HZ 60 PH 3
AMPS 5.1-4.7/2.4 AMB 40 °C
TIME RATING CONT. CODE J
NEMA NOM EFF 90.2 CLASS F
NEMA DESIGN B FRAME 182T
MILLEN
ㄓ
Nameplate amperes * 5.1
USTEE
LISTED
2 hp, 208V, three-phase motor
AC INDUCTION MOTOR
MODEL LMCM-3-27-02
H.P
HIGH EFFICIENCY
RPM 1725 S.F. 1.15
VOLTS 208-230/460 HZ 60 PH 3
AMPS 5,7-5.4/27 AMB 40C
DUTY CONT CODE J
NEMA NOM EFF 90.2 CLASS F
NEMA DESIGN B FRAME 182T
MILLER
Nameplate amperes -5.7
LISTED
Transcribed Image Text:Nameplate amps 26.6 Continuous duty O AC INDUCTION MOTOR MODEL LJM-03-26-1968 H.P HIGH EFFICIENCY O 10 R.P.M. 1755 S.F. 1.00 VOLTS 208-230/460 HZ. 60 PH. 3 AMPS 26.6-24.0/12.0 AMB 50 °C. DUTY CONT. CODE J NEMA NOM EFF. 91.7 CLASS F NEMA DESIGN B FRAME 213T M MILLER SP UL LISTED Lebanon, TN U.S.A 1 hp, 208V, three-phase motor AC INDUCTION MOTOR MODEL NO LJM03261968 H.P HIGH EFFICIENCY RPM 1765 SF 1.15 VOLTS 208-230/460 HZ 60 PH 3 AMPS 36-34/1.7 AMB 40 °C TIME RATING CONT. CODE J NEMA NOM EFF. 902 CLASS F NEMA DESIGN B FRAME 182T MILLER Nameplate amperes 3.6 LISTED 1.5 hp, 208V, three-phase motor HIGH EFFICIENCY O AC INDUCTION MOTOR MODEL NO CRM09061955 HP 1.5 RPM 1765 S.F. 1.15 VOLTS 208-230/460 HZ 60 PH 3 AMPS 5.1-4.7/2.4 AMB 40 °C TIME RATING CONT. CODE J NEMA NOM EFF 90.2 CLASS F NEMA DESIGN B FRAME 182T MILLEN ㄓ Nameplate amperes * 5.1 USTEE LISTED 2 hp, 208V, three-phase motor AC INDUCTION MOTOR MODEL LMCM-3-27-02 H.P HIGH EFFICIENCY RPM 1725 S.F. 1.15 VOLTS 208-230/460 HZ 60 PH 3 AMPS 5,7-5.4/27 AMB 40C DUTY CONT CODE J NEMA NOM EFF 90.2 CLASS F NEMA DESIGN B FRAME 182T MILLER Nameplate amperes -5.7 LISTED
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