Woodward protection relays of the wi line are offering time over current protective functions and optional earth fault protective functions in the well proven technique for ct powered protection relays.
Woodward protection relay.
The voltage protection relay mru4 provides precise and reliable protective functions and is very easy to operate.
200 years calculated based on data up to.
The wip1 is a robust protective device that is designed for a long time operation with minimum maintenance efforts even under extreme climate conditions.
As combination of a com pact protection relay and related core type transformer the wic1 system was especially developed for compact.
The wib1 is a ct powered protection relay with minimal space requirement which complies with the highest demands on a digital protection device.
Time over current relay woodward has developed specifically for such requirements.
Our experience with wi line self powered protective relays shows that the mtbf mean time between failures is approx.
Simple but safe wiring high electromagnetic in.
High tech line is a compact protection relay designed for modular housing structures based on 19 systems.
With isolated star point or earth fault compensation er xr relay type two step protection for the residual voltage for applications where only individual protection functions are required woodward can of course also offer the following mr relays as individual devices.
Each relay is of plug type design and consequently suited for front installation or mounting on a.
Woodward is an independent designer manufacturer and service provider of control solutions for the aerospace and industrial markets.
For example protection against under voltages caused by mains shortcircuits or overvoltages due to load shedding or failure of a generator voltage.