Synchronizer & Load Share Controllers

We carry Woodward synchronizer and load share controllers for independent control of load share and synchronization. We provide new synchronizer and load share controllers and retrofit controls for older systems.

We carry the following synchronizer and load share controllers:

Woodward DSLC-2 Digital Synchronizer and Load Control

The Woodward DSLC-2 is a microprocessor-based synchronizer and load control designed for use on three-phase AC generators. The DSLC-2 combines synchronizer, load sensor, load control, dead bus closing system, VAR, power factor and process control, all in one powerful package. Applications allow up to 32 generators to be precisely paralleled and controlled. A dedicated Ethernet system provides seamless communications between DSLC-2 and MSLC-2 units.

Features include:

  • Applications for up to 32 generators using 32 DSLC-2TM and up to 16 MSLC-2TM controls
  • Complex applications with up to 8 bus segments
  • Four communication ports
  • Ethernet A port for unit to unit communications
  • Ethernet B port for remote control monitoring via Modbus TCP
  • RS-485 port for remote control via Modbus RTU
  • RS-232 port for configuration of device using Woodward ToolKit software
  • Automatic generator soft loading and unloading for bumpless load transfer
  • Isochronous load sharing with other DSLC-2TM equipped sets
  • Process control
  • VAR or Power Factor control
  • Dead bus closing
  • PLC & DCS compatible
  • One part number is adjustable for multiple speed controls, voltage regulators, and potential transformer configurations
  • Application range up to 999 MW
  • Not compatible with original DSLCTM
  • UL/cUL & CE Listed

Woodward MSLC-2 Master Synchronizer and Load Control

The Woodward MSLC-2 is a microprocessor based load control designed for three-phase electric power generation sites equipped with our DSLC-2.

The MSLC-2 is a synchronizer, a utility load sensor, an import/export load level control, a power factor control, and a master process control. Applications include power systems which operate in parallel with single- or multiple-utility feeds, as well as new capabilities for multiple segment and intertie breaker control.

Features include:

  • Ethernet communication for information exchange between max. 32 DSLC-2TM and 16 MSLC-2TM controls
  • PLC and DCS Compatible via Modbus RTU or Modbus TCP
  • Automatic segment recognition
  • Supports and communicates up to 8 bus segments
  • Automatic plant loading and unloading for bumpless load transfer to and from the utility
  • Controls plant wide import/export levels against the utility
  • Overall plant Power Factor control
  • Not compatible with original MSLCTM
  • UL/cUL & CE Listed

Woodward LS-511/521 Circuit Breaker Control & Protection

The LS-5 Series are synchronizer and load share controllers with integrated protective functions. They are designed to enable complex power management applications with multiple incoming mains and bus breakers in combination with easYgen-3400/3500 equipped genset controllers.

Features include:

  • Designed as solution for complex power management applications
  • Up to 16 LS-5 units can be utilized in one application
  • Up to 32 bus segments are possible
  • Synchronization and protection in one compact controller
  • Adjustable vector groups for Synchronization
  • Automatic mains failure detection
  • Automatic and Manual mode
  • LS-5 "Stand alone" mode for use without easYgen-3400/3500 System.
  • LogicsManager functionality
  • CAN and RS-485 interfaces for remote control and visualization purposes
  • Available as cabinet front door mounted device or DIN-Rail backpanel mounted metal housing
  • Freely configurable relay outputs
  • Freely configurable discrete inputs
  • QV monitoring
  • Time-dependent voltage monitoring

Woodward SPM-A Synchronizer

Woodward’s SPM-A speed and phase matching synchronizer provides automatic frequency and phase matching when used with 2301, 2301A, and EPG (Electrically Powered Governor) electric load sharing control systems.

Features include:

  • UL and cUL Listed
  • CSA Certified
  • Automatic synchronization of generators
  • Adjustable dynamics
  • Frequency, phase, and optional voltage matching
  • Selectable matchup time
  • Automatic breaker closure
  • Selectable output impedance

Woodward SPM-D10 Series One Breaker Synchronizer

The SPM-D10 Series are microprocessor-based synchronizers designed for use on three-phase AC generators equipped with Woodward or other compatible speed controls and automatic voltage regulators. The SPM-D10 Series synchronizers provide automatic frequency, phase, and voltage matching, using either analog or discrete output bias signals.

Features include:

  • Synchronization for one circuit breaker
  • Frequency, phase, and voltage matching
  • Selectable types of control output
  • Digital display of generator and bus values
  • Microprocessor technology for flexible and reliable operation
  • Wide range power supply available
  • Additional mains protection and display of mains values available
  • PC and front panel configurable
  • CE marked
  • UL/cUL Listed

Woodward SPM-D11 Series Load Share Synchronizer

The SPM-D11 Series are microprocessor-based synchronizers designed for use on one- or three-phase AC generators equipped with Woodward or other compatible speed controls and automatic voltage regulators. The SPM-D11 Series synchronizers provide automatic frequency, phase, and voltage matching, using either analog or discrete output bias signals. It combines synchronizing for one circuit breaker, load and power factor control, or isochronous load sharing and generator protection.

Features include:

  • Load/var sharing
  • Generator protection
  • Synchronization for one circuit breaker
  • Frequency, phase, and voltage matching
  • Selectable types of control output
  • Digital display of generator and bus values
  • Real power control
  • Power factor control
  • PC and front panel configurable
  • Microprocessor technology for flexible and reliable operation
  • CE marked
  • UL/cUL listed

Woodward SPM-D21 Series Synchronizer/Load Control

The SPM-D21 Series consists of microprocessor-based synchronizers designed for use on three-phase AC generators equipped with Woodward or other compatible speed controls and automatic voltage regulators. The SPM-D21 Series provides automatic frequency, phase and voltage matching using either analog or discrete output signals. It combines synchronizing for a GCB (generator circuit breaker) and a MCB (mains circuit breaker), load and power factor control, and generator and mains protection.

Features include:

  • Generator and mains protection
  • Synchronization for one or two circuit breakers
  • Frequency, phase, and voltage matching
  • Selectable types of control output
  • Digital display of generator, bus, and mains values
  • Real power control
  • Power factor control
  • PC and front panel configurable
  • Microprocessor technology for flexible and reliable operation
  • CE marked
  • UL/cUL Listed