Product Short Description
Product Name: SYMAP-BCG Power Management & Network Protection Device
Product Overview:
SYMAP-BCG is a multifunctional protection and power management relay for medium-voltage power distribution networks. It integrates feeder protection, busbar supervision and circuit breaker control functions in single hardware unit.
Description
- Operating Supply: 12–36 VDC
- Supported Protection Functions: ANSI standard protection codes including overcurrent, earth fault, differential protection
- Measurement Channels: 3-phase voltage and 3-phase current inputs
- Communication Protocols: Modbus RTU/TCP, Profibus DP, IEC 61850
Function Features:
- Integrated feeder protection, busbar monitoring and breaker sequence control
- Graphical visualization supporting up to five circuit breakers on busbar topology
- Redundant CAN bus communication for inter-device logic exchange
- Significantly reduces hardwiring quantity for complex substation control
- Fully programmable protection thresholds and time delay curves
Application Scenarios:
Industrial medium voltage distribution substations, double busbar power supply systems, combined heat and power plants, marine medium voltage switchgear.
Material Composition:
Stainless steel shielded enclosure; high-stability measurement signal circuits; plug-in screw terminals.
Structural Characteristics:
Rack panel mounting form factor. Modular hardware allowing extension of I/O and communication modules.
Working Principle:
AC voltage and current signals are sampled and processed by internal DSP. Protection algorithms detect abnormal power system conditions and trigger tripping or alarm outputs. Inter-device logic coordination is realized via fieldbus communication.
Installation Requirements:
Mount inside EMC-compliant switchgear cabinet. Implement separate grounding for signal circuits and power circuits.
Usage Notes:
Perform protection curve coordination test after installation. Avoid operating near strong electromagnetic interference sources.
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