VFD SPECIFICATIONS AND SETTINGS FOR GENERATOR DRIVE MOTOR

Revision date = July 25, 2014


* MOTOR NAMEPLATE DATA:
  --> Marathon Electric model J13K
  --> 230 volts AC
  --> 1725 RPM at 60 Hz
  --> 1 amp line current at full load

* GENERATOR SPEED:
  --> 12-pole generator needs to spin at 600 RPM to output 60 Hz
  --> Belt sheave ratio approximately 3:1
  --> Motor needs to spin at approximately 1800 RPM

* VFD SPECIFICATIONS:
  --> Automation Direct model GS1-10P2
  --> 1/4 HP power rating
  --> Single-phase 100-120 VAC input
  --> Three-phase 200-240 VAC output

* VFD PARAMETER SETTINGS:
  --> [0-00] Motor nameplate voltage  = 230   (volts)
  --> [0-01] Motor nameplate amps     = 1.0   (amps)
  --> [0-02] Motor base frequency     = 60    (Hz)
  --> [0-03] Motor base RPM           = 1725  (RPM)
  --> [0-04] Motor maximum RPM        = 1850  (RPM)
  --> [1-00] Stop methods             = 1     ("coast to stop")
  --> [1-01] Acceleration time        = 30    (seconds)
  --> [2-00] Volts/Hz settings        = 2     ("fans and pumps")
  --> [2-08] PWM carrier freq         = 3     (kHz)
  --> [3-00] Source of op command     = 1     ("external, keypad STOP enabled")
  --> [3-01] Multi-func input terms   = 0     ("DI1=FWD/STOP, DI2=REV/STOP")
  --> [4-00] Source of freq command   = 3     ("4-20 mA external") 
  --> [4-05] Loss of analog signal    = 2     ("continue at last frequency")
  --> [6-15] Upper bound of out freq  = 65.0  (Hz)
  --> [6-16] Lower bound of out freq  = 55.0  (Hz)
 
Note: begin VFD settings by restoring to factory defaults (enter value of 99 into parameter 9-08), then manually edit all the above settings one by one. 

* VFD SWITCH SETTINGS:
  --> V/I switch must be set to "I" position for analog *current* signal

