Category: Woodward

The ProAct™ digital control system is an electric powered governor system designed to

provide precise electronic control and limiting for gas and diesel engines.

ProAct I is designed for direct coupling to the butterfly valve shaft on small gas engines or for

diesel engines which require less than 1.4 Nm (1.0 lb-ft) of torque to move the rack.

ProAct II is designed for control of most diesel engines and larger carbureted gas engines.

Standard Features

The ProAct digital electronics include settings for either droop or isochronous

operation. Start, idle, and rated speeds may be set. Separate droop schedules are

available for rated and idle. Variable speeds may be controlled by external input.

The rates that the speed setting can be raised or lowered may also be adjusted.

Fuel limits may be imposed for No Load, Full Load, Start-up (start-fuel limit), and

Idle speed. A two-slope torque limit is available. Separate ramp times may be

established for acceleration and deceleration. Speeds for rated, idle, raise limit,

and lower limit are also easily preset

Applications

The ProAct™ digital control system is an electric powered governor system designed to

provide precise electronic control and limiting for gas and diesel engines.

ProAct I is designed for direct coupling to the butterfly valve shaft on small gas engines or for

diesel engines which require less than 1.4 Nm (1.0 lb-ft) of torque to move the rack.

ProAct II is designed for control of most diesel engines and larger carbureted gas engines.

• 75° rotary output allows direct coupling to butterfly, eliminating linkage

• All-electric actuator requires no drive or hydraulic supply

• Programmable digital electronics permit tailoring control to various applications

• Actuators are extremely fast, electronically positioned in both directions

• Alternate dynamics for dualfuel applications or co-gen/standby

• 3 speed-activated switches

• Start fuel limit and maximum fuel limit for derating

• Manifold pressure fuel limiting

• Two-slope torque limiting

Key Product Variants Include

• Simple Governor (SG) 5.7 – 40 foot-pounds of work.

• Universal Governor (UG-25+) 10.8 – 21.7 foot-pounds of work.

• Governor (3161) 18 foot-pounds of work.

• Electronically Controlled Actuator w/ Mechanical Backup (EGB) 1-300 foot-pounds of work.

• Large Pressure-Compensated (PG) 12-58 foot-pounds of work.

Key Features

• Simple to operate and exceptionally reliable.

• Precise control of engine speed and output.

• For virtually all types of engine applications: power generation, marine, pump, compression and vehicle applications.

• Proven, industry-standard design.

• Worldwide acceptance and easy service.

Woodward hydraulic-mechanical and electronic governors provide reliable

and precise control of engine speed and output in every type of engine application.

Features & Functionality

Hydraulic-mechanical and electronic governors from Woodward ensure exceptionally

reliable and precise control of engine speed and output in virtually every type of engine application.

Woodward governors are used in power generation, marine, pump, compression and vehicle applications, among others.

They are available in work output ratings ranging from 10.8 inch-pounds up to 500 foot-pounds.

Our SG and PSG governors are simple to operate and offer exceptional reliability.

Driven by a suitable SG/PSG/EG drive on the engine,

these governors operate using the engine’s own oil supply at minimum pressures of 25 psi.

Woodward’s universal governors (UG) are mechanical-hydraulic governors for controlling diesel,

gas or dual-fuel engines, or steam turbines.

This proven design has been an industry standard for many years and worldwide

acceptance ensures easy servicing in most engine and governor shops.

The mechanical governor backup capability of Woodward’s EGB governor/actuators

provides increased reliability and safety during the operation of dual-fuel and diesel engines or gas and steam turbines.

Woodward’s PG pressure-compensated governor line effectively controls the

speed of the largest engines and turbines with work capacities ranging from 12 to 500 ft-lb.

HARDWARE SPECIFICATIONS

Size:

Operator Interface Panel:

Power Supply Voltage:

Control Part Numbers:

Connectors:

Voltage Measuring Input Range:

Current Measuring Inputs:

Temperature Range:

Humidity:

Enclosure Rating:

Vibration:

Mechanical Shock:

Regulatory Compliance (pending):

281.8mm (11.1”) High x 358.1mm (14.1”) Wide x 134.0mm (5.275”) Deep

8 (20 Character) lines plus membrane keypad

24 Vdc system (18–32 Vdc nominal; 9–40 Vdc maximum)

DR: 8406-103

LS: 8406-113

MC: 8406-114

Terminal blocks are screwless CageClamp style blocks. PT and CT inputs

are fixed screw terminals.

70–300 Vac

5 Aac RMS nominal, 7 Aac RMS maximum –20 to +70 °C operating; –30 to +80 °C storage

95% at +60 °C non-condensing

Meets IP56 (IEC) and Type 4 (NEMA) requirements from the front panel and

properly installed in an equivalent enclosure

Suitable for engine skid or control cabinet

Random Test: 10–2000 Hz at 0.04 G²/Hz and 8.2 Grms PSD

30 g peak, 11 ms duration, non-operating

UL508; CSA Hazardous Locations Class I, Division 2. Groups A–D

IEC Zone 2 European Group IIC

EEC EMC Directive; EEC Low-Voltage Directive

Marine LR

RINA, ABS, and GL classifications

EGCP-3 Applications

• Single Unit—No Utility Parallel

• Single Unit—Utility Parallel

• Multiple Unit—No Utility Parallel

• Multiple Unit—Utility Parallel

• Multiple Unit—Multiple Utility Feeds Parallel

Generator Protective Features

• Over/Under Voltage (27.59)

• Over/Under Frequency (81O,81U)

• Directional (Forward/Reverse) Power (32)*

• Negative Phase Sequence Overcurrent (46)

• Negative Phase Sequence Overvoltage (47)

• Phase Overcurrent (51)*

• Directional VAR

• Phase Current Differential Imbalance (87)*

• Speed/Frequency Mismatch

• Load Surge

Utility Protective Features

• Over/Under Voltage (27.59)

• Over/Under Frequency (81O,81U)

• Directional (Forward/Reverse) Power (32)*

• Negative Phase Sequence Overcurrent (46)

• Negative Phase Sequence Overvoltage (47)

• Phase Overcurrent (51)*

• Voltage Restrained Phase Overcurrent (51V)*

• Directional VAR

• Phase Current Differential Imbalance (87)*

• Loss of Mains/Loss of Mains with Alarm

*—Inverse Time Protections implemented are according to IEEE C37.112 “Very Inverse” curves

Automatic Unit Sequencing

• Automatically starts and stops gen-sets based on plant bus demand

• Automatic generator set loading and unloading for bumpless transfer

• Configurable plant bus demand startstop levels and timers

• Configurable generator priority sequencing

Communications

• Modbus® RTU or DDE communications via RS232 (1 each) and RS-232/422/485 (2 each) serial ports

• Echelon® TP/XF-1250 network

• CAN 2.0b Network (OEM option only)

Reactive kVAR Control

• VAR (PF) sharing on isolated busses using percentage based reactive load sharing

• Voltage bias signal to AVR configurable for discrete raise/lower,4–20 mA, ±1. ±3. or ±9 Vdc

• Power factor or VAR control when base loaded

• Externally adjustable VAR or PF setpoint levels

• Manual voltage control capability

• Configurable load/unload ramp rates

Synchronizing

• Phase match or slip frequency synchronization with voltage matching

• Full three-phase sensing on both busses

• Manual synchronization capability

• Adjustable phase window, voltage window, reclose attempts, reclose timing

• Safe dead bus closing logic internal to the control

• Synch check (25)

• Breakers or contactors

Reactive kVAR Control

• VAR (PF) sharing on isolated busses using percentage based reactive load sharing

• Voltage bias signal to AVR configurable for discrete raise/lower,4–20 mA, ±1. ±3. or ±9 Vdc

• Power factor or VAR control when base loaded

• Externally adjustable VAR or PF setpoint levels

• Manual voltage control capability

• Configurable load/unload ramp rates

Synchronizing

• Phase match or slip frequency synchronization with voltage matching

• Full three-phase sensing on both busses

• Manual synchronization capability

• Adjustable phase window, voltage window, reclose attempts, reclose timing

• Safe dead bus closing logic internal to the control

• Synch check (25)

• Breakers or contactors

Automatic Unit Sequencing

• Automatically starts and stops gen-sets based on plant bus demand

• Automatic generator set loading and unloading for bumpless transfer

• Configurable plant bus demand startstop levels and timers

• Configurable generator priority sequencing

Communications

• Modbus® RTU or DDE communications via RS232 (1 each) and RS-232/422/485 (2 each) serial ports

• Echelon® TP/XF-1250 network

• CAN 2.0b Network (OEM option only)

Custom OEM Configurations

Among the many EGCP-3 control functions are:

Engine Control/Protection

• Configurable start sequencing

• kVA-controlled cool-down timer

• Oil pressure monitoring (idle/rated)

• Coolant temperature monitoring

• Battery voltage monitoring

• Speed monitoring with overspeed protection

Real kW Load Control

• True RMS power calculations

• Load bias signal to engine speed control, configurable for ±3 Vdc, 0–5

Vdc, 500 Hz PWM, 4–20 mA, discrete raise/lower

• Configurable loadunload ramp rates

• Isochronous load-sharing of up to 16 EGCP-3 units using percentage based load sharing

• Built-in import/export control

• Soft utility transfer function

• Externally adjustable load or process references

DESCRIPTION

EGCP-3 is available in standard configurations including:

DR—Distributed Resource:

• Single unit isolated

• Single unit parallel to mains

• Single unit ATS

LS—Load Share:

• Multiple unit isolated

• Multiple unit parallel to mains

MC—Master Controller:

• Mains tie breaker control

• Inter-bus tie breaker control

Features

• Complete generator system control package

• Automatic load demand sequencing of multiple units

• Three-phase synchronization

• Comprehensive system protection –engine, utility, and generator

• Revenue-grade power and energy metering

• Digital display of engine, generator, and system data

• Real kW and reactive kVAR load sharing and control

• Additional on board and distributed I/O available

• Easily adapts to exact application needs with GAP™ programming tools

• Advanced network communications

• DSLC™ compatible

• Built-in diagnosticsWoodward EGCP-3