Governor (Speed Regulator) - Generac Power Systems H-100 Operation Manual

General Information
2.8 — Governor (Speed Regulator)
All panels include automatic frequency (speed) regulation as standard. There are various settings that can be adjusted
for the governor via GenLink, these include the target frequency. The settings are normally factory preset and are
shown here for completeness, they do not apply to all governor types.
• Standby KP,KI,KD— Frequency regulation stability constants used for normal mode operation.
• QuietTest® KP,KI,KD— Frequency regulation stability constants used for QuietTest® mode operation.
• Actuator Type— Indicates the type of governor actuator. The following types are available:
- POWERFLOW— Barber Coleman Powerflow, voltage driven without position feedback
- BOSCH GAS— Bosch Butterfly, current driven with position feedback
- LINEAR CURRENT— Linear, Current Driven without position feedback
- DETROIT DIESEL— Detroit diesel PWM Driven
- HORIZONTAL DIESEL—Diesel Rack Arm with Horizontal Connecting Rod and current driven with position feed-
back
- VERTICAL DIESEL— Diesel Rack Arm with Vertical Connecting Rod and current driven with position feedback
- JOHN DEERE J1939 CAN— Controls speed by J1939 CAN bus commands using John Deere protocol
- VOLVO J1939 CAN— Controls speed by J1939 CAN bus commands using Volvo protocol
- HINO (do not use)— Not implemented; DO NOT USE.
- FPT NEF J1939 CAN— Controls speed by J1939 CAN bus commands using Fiat NEF protocol
- FPT CURSOR J1939 CAN— Controls speed by J1939 CAN bus commands using Fiat Cursor protocol
- PERKINS J1939 CAN— Controls speed by J1939 CAN bus commands using Perkins protocol
- HORIZONTAL GAS— Gas Butterfly Throttle Arm with Horizontal Connecting Rod and current driven with position
feedback
• Actuator Offset— Number corresponding to lowest actuator position (Close Throttle).
• Actuator Fullscale— Number corresponding to highest actuator position (Open Throttle).
• Actuator Normal Start Position— The position the actuator will be parked at from start up until the "Start detection
RPM" is reached. If "soft start" is enabled, this is also the maximum position of the throttle until the Target Frequency
minus 3 Hz is reached. Therefore, if "soft start" is enabled, the actuator start position MUST be high enough to reach
Target Frequency minus 3 Hz.
• Actuator QuietTest® Start Position— The position the actuator will be parked at from start up until the "Start detection
RPM" is reached. If "soft start" is enabled, this is also the maximum position of the throttle until the QuietTest® Target
Frequency minus 3Hz is reached. Therefore, if "soft start" is enabled, the actuator start position MUST be high
enough to reach, QuietTest® Target Frequency minus 3 Hz.
• Soft Start Time— The time to stay at each soft start step before moving onto the next step. (Only applies if soft start
is enabled).
• Soft Start Frequency— An entry of 0 Hz disables soft start. Any other value enables soft start which ramps up the
generator frequency at a rate determined by "Soft Start Time" to minimize smoke. This value selects the first fre-
quency to target after start up. Once this frequency is attained, the generator will hold this frequency for the "Soft
Start Time" and then move to the next step. Each step is 3 Hz higher with the final step being "Target Frequency"
minus 3 Hz. Each step is held for the "Soft Start Time". During soft start, the throttle will not be allowed to exceed the
"Actuator Start Position". Therefore, choose a start position that will allow the generator to attain full operating speed.
• Diesel— Indicates if this is a diesel powered generator. This modifies such features as frequency control, and others.
• Dump Enable—Indicates if extra load dump governor compensation is desired to reduce increase in frequency
caused by drop in load. The following three selections are available:
-No Dump— No additional compensation.
-Dump— Reset governor algorithm when load dump detected.
-Dump & Hold— Same as Dump, but also hold throttle closed until frequency back in range.
NOTE: This option will likely produce undesired frequency dips on load dumps.
12 H-100 Control Panel Operations Manual