ComPass B 2.0 – Short-circuit and Earth Fault Direction Indicator
The ComPass B 2.0 from HORSTMANN is a short-circuit and earth fault direction indicator designed for substations in medium-voltage grids with remote control connection. The device detects and indicates fault direction, and accurately collects measured values for current, voltage, and power, making these values available for transfer to the control room.
Features and Measurements
- Directional indication via two LED arrows (A, B) and a high-contrast OLED display for on-site reading.
- High-precision current and voltage measurement with 0.5% accuracy.
- Monitoring of measured variables: voltage (U), current (I), load current direction (A↑/B↓), power factor (cos φ), power (P, Q, S), energy (E), temperature (T), and frequency (f).
- Earth fault localization with six different methods, which can be combined.
- Limit value monitoring and remote alarming for U, I, P, Q, and T.
- Option to connect a PT-100 temperature sensor for e.g. transformer or substation monitoring.
- Voltage coupling via capacitive VDS system and/or resistive (ohmic) voltage sensors; simultaneous measurement enables automatic calibration of VDS with resistive measurements.
- Commissioning and parameterization via ComPass Explorer software through a front USB port.
Typical Applications
The ComPass B 2.0 is used in substations in medium-voltage grids with remote control connection for automatic determination of fault direction during short-circuits and earth faults, as well as for collecting and transmitting measured values to the control room.
Equipment Set
- Supplied as a set consisting of 1 display unit, 3 phase current sensors, and voltage coupling (specified by the manufacturer).
Source: Manufacturer's product page for ComPass B 2.0.
See manufacturer's product page for ComPass B 2.0
Specifications
- Product: ComPass B 2.0.
- Manufacturer: HORSTMANN.
- Function: Short-circuit and earth fault direction indicator with measurement and communication functions.
- Measurement accuracy: 0.5% for current and voltage (stated by manufacturer).
- Display: OLED + two directional LEDs (A, B).
- Measured variables: U, I, load current direction, cos φ, P, Q, S, E, T, f.
- Equipment set: 1 display unit, 3 phase current sensors, voltage coupling.
- Configuration: ComPass Explorer via front USB port.
- Voltage coupling: Capacitive VDS and/or resistive voltage sensors; automatic self-calibration of capacitive inputs (optional temperature compensation).
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