Basler Electric BE1-32R – Reverse Power Relay (Configuration C2EE1PA0N1F)
The Basler Electric BE1-32R (model configuration C2EE1PA0N1F) is a solid‑state directional power relay that detects reverse power flow in synchronous generators. When a generator begins to motor—drawing power from the grid instead of supplying it—this relay trips, disconnecting the machine to prevent prime mover damage and system instability.
Detection and Control
The relay continuously monitors the voltage and current of each phase, computing the real power direction. When the power reverses beyond an adjustable pickup level, the relay trips after a user‑selectable time delay. This configuration offers high accuracy and stability, with settings that can be tailored to the specific generator and turbine characteristics.
Voltage input: 120/240 V AC, 50/60 Hz
Current input: 5 A from CT secondary
Pickup setting: 0.5–20% of rated power, adjustable
Time delay: 0.1–10 seconds (definite or inverse)
Accuracy: ±2% of reading
Output contacts: 2 Form‑C relays, 5 A at 250 V AC
Power supply: 120/240 V AC or 125/250 V DC
LED indicators: power direction, alarm, trip
Mounting: panel draw‑out case
Operating temperature: –20 °C to +65 °C
Typical Applications
This relay is essential for generators that operate in parallel with other sources, including utility grids and other generators. It is widely used in cogeneration, standby, and marine installations to safeguard turbines and diesel engines.
Installation and Testing
Mounting is via a standard panel cutout. Settings are accessible from the front panel. A test jack allows verification of calibration without field wiring.
Reliability and Compliance
Built with Basler's hybrid technology, the BE1-32R meets IEEE C37.90 and IEC 60255 standards, offering reliable operation in substation environments.
In summary, the Basler Electric BE1‑32R reverse power relay provides accurate, adjustable protection against generator motoring, safeguarding both electrical and mechanical assets.
