Plant Protection Systems
Woodward helps limit plant damage with Plant Protection Systems
Woodward helps you guard your plant control systems from damage due to electrical faults by providing according protection devices.
There are following network elements included depending on project and customer requirements:
| - MV System Feeders |
| - MV Cables |
| - LV System Feeders |
| - Motors |
| - Station Transformers |
| - Step-up Transformers to Utility Grid or other Power Stations |
Main Protection device functions are:
| - Differential Protection |
ANSI code 87 |
| - Time Overcurrent and Short-circuit Protection |
ANSI code 51/50/67 |
| - Thermal Overload Protection |
ANSI code 49 |
| - Earth Fault Protection |
ANSI code 51N/50N/67N |
| - System Earth Fault Protection |
ANSI code 59N |
| - Under- and Overvoltage Protection |
ANSI code 27/59 |
| - Under- and Overfrequency Protection |
ANSI code 81 |
| - Phase Balance Protection |
ANSI code 47 |
| - Mains Decoupling Protection |
ANSI code 27/59/81/78/81R |
Network, Protection and Coordination Studies can be provided to design and verify the protection concept and to calculate the according protection settings.