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Power Protection Relays

Substation Digital Relay Protection Device(Protection Relay) Measurement and Control Equipment BPD001A series of protection by the line protection, transformer protection, capacitor protection, reactor protection, standby power from the cast, composed of motor protection, can be used for 110kV and below voltage levels of power grid and power plant auxiliary power…
BPL002 Series Digital Line Protection 1 Chapter 1: General 1.1 Basic types and main functions BPL002A series digital HV line protective equipment (BPL002A) takes the pilot protection as the main protection of rapid action for whole line and the distance protection and zero-sequence current protection as the backup protection. The protective functions are…
BPT003 Series Digital Remote Tripping Judgement Device 1 Introductions BPT003 is digital remote tripping local judgment series device based on 32-bit microprocessor,it also has functions of over voltage protection, and over voltage send signal to start remote tripping. 1.1 Application scope Over voltage protection; Over voltage send signal to start…
The BRP201 series is an integrated protection and control device designed for power distribution networks with voltage level up to 110kV. This relay series offers a wide range of products for protection, measurement, supervision of power transformers, busbar systems, overhead lines and underground cables. It also provides protection and control…
The BPR202T series is a dedicated transformer protection and control device for two-winding and three-winding power transformers of 110kV power system. It provides three-phase current differential protection with up to 4 CT inputs, directional overcurrent protection, and earth-fault protection as main and backup protection of power transformers.
The BPR203LD is a complete fast line distance protection device for 110kV, 66kV or 35kV overhead lines and underground cables. It offers impedance protection, zero sequence overcurrent protection, under-frequency & under-voltage load shedding and auto-reclosure functions. This device can be used as main and backup protection.
The BPR204G series is a complete generator protection device for small and medium-size generators. It provides machine differential protection, stator earth fault, rotor earth fault protection and overvoltage, as well as thermal overload protection and loss of excitation protection. This device is suitable for main and backup protection.
The BPR205M is a comprehensive measurement and control device for utility substations, power plants and industrial power systems. It offers 80 binary inputs, 33 relay outputs, 24 AC analog inputs and 8 DC analog inputs. The device also provides 1 optic fiber, 2 configurable RS232/ RS485 and 2 Ethernet communication interfaces.
The BPR206 series is an integrated digital device aligned for utility substations and industrial power systems of 110KV and 35KV voltage levels. It integrates protection, measurement, control, communication and SOE recording functions. The BPR206-1,BPR206-2,BPR206-3, etc. are members of this product series, they offer main and backup protection for transformers, motors, capacitor…
The BPR207 series is an integrated digital device aligned for utility and industrial distribution substations of 35KV and 10KV voltage levels.  It can be used as main and backup protection with integrated protection, measurement, communication and control functions.
The BPR208 series is a multi-function digital device designed for 10kV and 6kV distribution feeders. It combines protection and communication functions to meet simple applications with earth fault, time and instantaneous over-current protection.
The BPR209 series is an integrated digital device aligned for coal mine and subsurface power system of 10KV, 6KV and 3.3KV voltage levels. It offers integrated protection, measurement, communication and control functions. Due to its certificate of conformity Exib I (Explosion protected intrinsic safety class 1), the BPR209 series can be…
Electricity Theft Monitoring System(Power Theft Detection) Introduction of Electricity Theft Monitoring System Some enterprises or people,especially the high energy-consumption factories are addicted to stealing electricity to save the electricity cost,which caused the great loss to the electricity distribution companies and disordered the power industry. Because of the new electricity theft…
Active Power Filter(APF Harmonic Correction) Description: BUENO-APF active power filter (hereinafter referred to as BUENO-APF), a new solution for harmonic control based on dynamic harmonic elimination technologies, can eliminate the grid harmonic with help of the advanced dynamic real-time tracking and compensation technologies. It can monitor the current waveform produced…
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