KR-8400 series DC power supply screen

Performance characteristics: KR-8400 series DC power cabinet is suitable for distribution rooms in 10~50kV substations, power plants, high-rise buildings, residential areas, as well as small self owned power plants. It serves as the operation and control power supply for high-voltage switchgear, relay protection, automatic devices, and emergency lighting power supply

Performance Characteristics

The KR-8400 series DC power cabinet is suitable for distribution rooms in 10~50kV substations, power plants, high-rise buildings, residential areas, as well as small self owned power plants. It serves as the operation and control power supply for high-voltage switchgear, relay protection, automatic devices, and emergency lighting power supply. It can also be used in other places that require DC power supply;

This product complies with the General Technical Conditions for DC Power Supply Equipment in Power Engineering (GBT19826-2005);

This product complies with the DLT5044-2004 Technical Code for Design of DC Systems in Power Engineering;

This product's charging device can use high-frequency charging modules and phase controlled chargers;

This product's microcomputer controller can be used in both PLC controller and industrial grade single-chip models;

● It has the function of locating DC grounding points.

Environmental conditions for use

● Environmental temperature: -10 ℃~+45 ℃;

● Altitude: not exceeding 2400m;

Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%;

Seismic intensity: not exceeding 8 degrees;

● Installation vertical inclination: not exceeding 5 °;

● Places without fire, explosion hazards, serious pollution, chemical corrosion, and severe vibration;

No strong electromagnetic field interference.

Main functions

The new generation of intelligent DC power supply KR-8400 series products adopt core high-frequency switching power supply and DC power monitoring system;

● Adopting dual AC power supply for automatic and manual input switching;

● Equipped with automatic and manual voltage regulation for controlling the busbar;

Online insulation line selection detection device, equipped with a caliper table for locating and searching the docking point;

● Operation status indication;

● Fault alarm and recording;

Intelligent charging management of batteries, automatic switching between float and even charging, and current limiting;

The product has functions such as battery temperature compensation, and features integration, modularization, and intelligence;

RS232 or RS485 interface, supporting multiple protocols, fully realizing the "four remote" function;

● Full Chinese LCD display screen, user-friendly and rich interface, with clear and easy to understand operating parameters;

Adopting an intelligent air cooling device, the module automatically adjusts the maximum output current and controls the fan operating speed according to changes in its own temperature, and timely activates the overheating protection function. Adopting high-quality imported fans and intelligent infinite speed regulation, effectively extending the lifespan of the fans;

Comprehensive system parameter settings allow for flexible configuration of the system (including the number of charging modules, battery packs, insulation detectors, etc.), setting upper and lower limits for various alarm parameters, adjusting current sensor changes, and configuring fault output nodes;

Accurate monitoring system for various operating parameters and real-time online parameter queries;

High precision dynamic current sharing technology, active PFC power factor correction and other new power supply technologies with low harmonic content; The power module with built-in monitoring and the fully intelligent monitoring system form a "three-level monitoring" function, and the technology of multiple anti lightning and anti high-frequency interference design is at the professional level in China.

mechanical parameters

The front of the cabinet is a full glass door, and the back door is a double door, with a beautiful and elegant appearance;

The cabinet structure design facilitates equipment installation, debugging, maintenance, and operation;

Adopting imported high-quality electrolytic plates and CNC bending frame structure;

The interior and exterior surfaces of the cabinet are treated with excellent powder coating technology, which has strong anti-corrosion and rust prevention capabilities;

The terminal block is designed to facilitate installation, wiring, maintenance, and adjustment;

The screen layout is simple and easy to operate and use;

The external dimensions include (height * width * depth) 2260 * 800 * 600mm and 2260 * 800 * 800mm, which are two standard specifications. Non standard cabinets can also be customized according to user needs.