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8440-2178 Woodward’s LS-5 Series relays

Woodward’s LS-5 Series relays are synchronizer controllers with integrated mains de coupling and protection features. The applications range from independent synch check relay to complex power management with multiple utility feeds, bus tie-breakers and group breakers in combination with Woodward’s easYgen-3400XT/3500XT equipped genset controllers. Wiring efforts are reduced to a minimum, since only one CAN bus connection is required between all LS-5 and easYgen controllers to transmit AC meas urement signals, I/O states, flags, etc.

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Essential details： 8440-2178 Woodward’s LS-5 Series relays

Woodward’s LS-5 Series relays are synchronizer controllers with integrated mains de coupling and protection features. The applications range from independent synch check relay to complex power management with multiple utility feeds, bus tie-breakers and group breakers in combination with Woodward’s easYgen-3400XT/3500XT equipped genset controllers. Wiring efforts are reduced to a minimum, since only one CAN bus connection is required between all LS-5 and easYgen controllers to transmit AC meas urement signals, I/O states, flags, etc.

The LS-5×1 devices manage synchronization, loading and un-loading on each bus seg ment and send the required voltage, frequency and phase angle references via CAN bus to the easYgen-3400XT/3500XT genset controllers. When serving an incoming mains breaker it automatically detects mains failure, performs mains decoupling and sends the start signal to the easYgen. The LS-5×1 is software selectable to be applied as an inde pendent synch check relay, mains circuit breaker control or bus tie-breaker control thereby providing exceptional versatility and value for OEM switchgear builders, genera tor packagers, and system integrators.

The LS-5×1 Series is available in two different mounting styles. An LS-521 with a plastic housing and graphic LCD display is designed to be mounted on the cabinet’s front door. An LS-511 with an aluminum powder coated housing without display is designed to be back panel mounted.

8440-2178

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 8440-2178 Woodward’s LS-5 Series relays

 Up to 16 LS-5 units can be operated in one network with up to 32 easYgen-3400XT/3500XT

 Phase match or slip frequency synchronization with voltage matching

 Full protection package (including df/dt (ROCOF), phase shift, and mains voltage increasing protection according to new German grid code)

 Segment control for the load sharing

 Event Log with up to 300 entries

 Automatic date and time synchronization between the LS-5 units and the connected easYgen- 3400XT/3500XT controls

 LS-5 “Stand alone” mode without the easYgen-3400XT/3500XT is possible

 Preconfigured application modes that simplify the configuration process for complex multi breaker applications

 AUTOmatic and MANual mode

 Full remote control via CAN or RS-485 interface

 Vector group adjustment in case transformers are used in the application

 Breaker open/close failure detection

 Mains decoupling “Test” mode

 Lock keypad feature

 4 freely configurable alarms

 8 Freely configurable LED`s on the LS-511 back panel mountable device

 Multi-lingual capability: English, German, Spanish, French, Italian, Portuguese, Japanese, Chinese, Russian, Turkish, Polish

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