XQ Auto Paralleling Caterpillar


Default Settings for Mode of Operation

Usage:

PMG3516 KAD

Operation Mode Default Settings

Table 1
Parameter     STAND ALONE paralleling controls ON     STAND ALONE paralleling controls OFF     ISLAND
(GPC & LSM mixed)    
ISLAND
(ALL GPCs)    
UTILITY
(GPC controls PF)    
UTILITY
(Cat DVR controls VAR)    
Cat DVR Voltage Regulator    
Load Compensation Mode
(0 is Off, 1 is Droop, 2 is Line Drop)    
0     0     1     0     1     1    
Operating Mode
(0 is AVR[Off], 1 is PF, 2 is VAR)    
0     0     0     0     0     2    
VAR Set point (% of Rated)     5.0 %     5.0 %     5.0 %     5.0 %     N/A     set to desired    

Table 2
Parameter     STAND ALONE paralleling controls ON     STAND ALONE paralleling controls OFF     ISLAND
(GPC & LSM mixed)    
ISLAND
(ALL GPCs)    
UTILITY
(GPC controls PF)    
UTILITY
(Cat DVR controls VAR)    
GPC Paralleling Controller    
Power factor control     On     N/A     On     On     On     Off    
Power factor control set point     i0.95     N/A     i0.95     i0.95     set to desired     N/A    
Power controller "P set1 = " (4)     1825 kW (5)     N/A     1825 kW (5)     1825 kW (5)     set to desired     set to desired    
Reactive power load share (6)     Off     N/A     Off     On     Off     Off    
( 4 ) This setting is active when the base load select switch is switched to GPC (input term #6 Off)
( 5 ) Set to Prime Rating of machine
( 6 ) If the reactive power load share is set to on when operating in GPC and LSM mixed mode, VARs are not shared properly. When set to On, the analog VAR share line must be connected (unit to unit).

Table 3
Parameter     STAND ALONE paralleling controls ON     STAND ALONE paralleling controls OFF     ISLAND
(GPC & LSM mixed)    
ISLAND
(ALL GPCs)    
UTILITY
(GPC controls PF)    
UTILITY
(Cat DVR controls VAR)    
Package Controls Configuration    
PCS (Paralleling Controls Switch: Off/On) (7)     On     Off     On     On     On     On    
Interconnect (kW) load share line (unit to unit) (8)             X     X            
Interconnect (VAR) share line (unit to unit) (8)                 X            
Install lead unit select jumper (on one unit only) (9)     X     X     X     X            
Interconnect lead unit select signal wires (unit to unit) (10)             X     X            
Connect utility breaker aux contact signal wires (11)                     X     X    
Connect utility transfer trip signal wires (12)                     X     X    
( 7 ) In the Off position the DC/DC power supply, GPC controller, and UMR are powered off. Allows unit to operate as a standard genset and enables speed adjust potentiometer.
( 8 ) Twisted, shielded pair 16 AWG
( 9 ) Jumper terminals 1UP93 and 1UP94
( 10 ) Refer to instruction film.
( 11 ) Closed contact when utility breaker closed.
( 12 ) Closed contact to trip and lockout gen.

Table 4
Parameter     STAND ALONE paralleling controls ON     STAND ALONE paralleling controls OFF     ISLAND
(GPC & LSM mixed)    
ISLAND
(ALL GPCs)    
UTILITY
(GPC controls PF)    
UTILITY
(Cat DVR controls VAR)    
Operator Controls    
Voltage adjust switch (voltage raise/lower)     Enabled     Enabled     Enabled     Enabled     Enabled     Enabled    
Speed adjust potentiometer     Disabled     Enabled     Disabled     Disabled     Disabled     Disabled    
Local start/stop switch (used in AUTO mode)     Enabled     Enabled     Enabled     Enabled     Enabled     Enabled    
Circuit breaker control switch (used in RUN mode)     Enabled     Enabled     Enabled     Enabled     Enabled     Enabled    
Base load switch & potentiometer (13)     Disabled     Disabled     Disabled     Disabled     Enabled     Enabled    
( 13 ) Base load potentiometer used when customer adjustment is desired. Otherwise, the pre-program the GPC set point (Power controller P set1) and switch selection to GPC for commissioning is used. (default set at 1825 kW)

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