i Introduction DC insulation monitoring devices are specially designed to monitor the insulation status in DC electrical systems. By measuring the insulation resistance in the electrical system, this device can provide high-precision, real-time monitoring and feedback to ensure that the insulation of the electrical system is in a safe state. The DC insulation monitoring system can quickly detect many DC leakage conditions, including DC ground faults, insulation degradation, AC signal intrusion, and DC signal mutual intrusion. Usually used in DC power supply systems, such as solar power stations, DC transmission system, electric vehicle charging stations. • Automatic alarm system. • Multiple fault type detection. • High voltage withstand ability. • Easy installation and maintenance. • Real time monitor insulation status. • RS485 remote monitoring and control. • Widely used in DC power supply systems. • High-precision measurement resistance changes. Technology of Electrical Automatic • Solar power station. • Railway electrical system. • New energy storage system. • Power electronic equipment. • Electric vehicle charging station.

Technology of Electrical Automatic

ZJS-102 DC INSULATION MONITOR i Introduction ZJS-102 DC system insulation monitor is a professional online monitoring equipment that uses balanced and unbalanced bridge detection technology to effectively eliminate the interference of distributed capacitance in the system. ZJS-102 can display the leakage current of each circuit in real time and has complete DC insulation fault monitoring functions, including single-point grounding, multi-point grounding, busbar two-pole grounding, etc. ZJS-102 use transient alarm waveform capture and current synchronous detection technology, the insulation monitoring...

Technology of Electrical Automatic

i Introduction i Main Features ZJJ series DC insulation monitoring relay is an advanced device specially designed for monitoring the insulation condition of DC busbar. Using a fully calculated hardware voltage dividing circuit, it can directly display the ground resistance value, solving the problem of old-fashioned relays that only display the ground current or have no display. A highly sensitive ground resistance monitoring and display circuit can quantitatively evaluate the insulation degree of the DC system, which is crucial to ensuring the safe operation of the system. The ZJJ series DC...

Technology of Electrical Automatic

i Introduction i Main Features JY1000-ST is a DC insulation monitoring device based on MODBUS protocol, including DC to ground insulation impedance monitoring, DC voltage monitoring, DC voltage reverse connection alarm and other safety monitoring functions. It can be used for electric vehicle DC charging system, photovoltaic system, energy storage system, DC grid and other DC systems below 1000V. JY1000-ST has the function of starting and stopping insulation monitoring. After insulation monitoring is started, the insulation resistance of positive and negative poles to ground can be monitored...

Technology of Electrical Automatic

JY1000 INSULATION MONITORING RELAY i Introduction ■ Main Features JY1000 is an efficient insulation monitoring device specially designed for car charging piles. It can monitor the insulation status of the DC power supply system of charging piles in real time, detect potential insulation faults in time and alarm, effectively preventing fires and safety accidents. Users can realize start-stop and data collection of insulation monitoring through RS485 communication. JY1000-AL is a DC-to-ground insulation monitoring module based on the unbalanced bridge principle, integrating monitoring and protection...

Technology of Electrical Automatic

JY1000-C2 INSULATION MONITORING RELAY Introduction JY1000-C2 is used in on-line monitoring insulation resistance of the DC floating system (Dual DC system shared one ground). Dual DC channels are controlled independently, two DC insulation monitoring non-interference in each other. Users can enable or disable the insulation monitoring function of each DC channel and acquire insulation resistance values by RS485 communication. JY1000-C2 adopts Dual-DC channels independent control scheme. Users can control dual-channel startup, close and data reading respectively according to the communication...

Technology of Electrical Automatic

JY2000-AL INSULATION MONITORING RELAY Main Features JY2000-AL is a DC to ground insulation monitoring module based on the principle of unbalanced bridge, which has monitoring and protection functions in one. It can monitor the insulation resistance value of the positive and negative poles of the DC floating system to the ground, ranging from 1KΩ to 10MΩ; at the same time, it can also detect the DC voltage value, ranging from 100V to 2000V. After the insulation monitoring function is turned on, the product can continue to monitor the insulation resistance in real time, and user can read the insulation...

Technology of Electrical Automatic