Huajian microcomputer comprehensive protection device can be OEM and agent

Zhejiang Huajian Electronic Technology Co., Ltd., as a supplier specializing in the R&D and manufacturing of intelligent power distribution system automation equipment, has long provided users with advanced technology and high-quality services. Meet the needs of all aspects of the power system with reliable, energy-saving, and environmentally friendly intelligent power distribution products. The main products of the Electronic Branch include: microcomputer comprehensive protection devices, motor protectors, rail-type energy meters, power monitoring instruments, power transmitters, thermal intelligent instruments, temperature intelligent instruments, isolation modules, pressure transmitters, switching power supplies, It is composed of current transformers and other major categories. Among them, the power monitoring instruments include a series of harmonic analyzers, a series of economical harmonic meters, a series of network power meters, a series of multi-functional power meters, a series of digital measurement and control meters, a series of programmable smart power meters, and a series of digital display transmission smart meters. , series of digital display electricity meters, series of digital display electricity meters, embedded installation meters and other products. Microcomputer comprehensive protection devices include B-ready automatic protection devices, economical microcomputer comprehensive protection devices, digital microcomputer protection and measurement and control devices (special for small cabinets of ring main units), series microcomputer comprehensive protection devices, universal microcomputer comprehensive protection devices, line protection Measurement and control device, transformer measurement and control device, B transformer backup protection device, used transformer protection measurement and control device, B backup automatic protection device capacitor protection measurement and control device, B generator backup protection device, motor measurement and control device, digital parallel device, transformer differential protection Device, generator differential protection device, 3 motor differential protection device, microcomputer small current system grounding line selection device, microcomputer harmonic elimination device, 3 background monitoring software system. Motor protectors include motor protectors and low-voltage line protection devices. Telephone/- 1. Introduction to microcomputer comprehensive protection device. Device overview. Device introduction The new generation of digital protection and measurement and control device is suitable for the protection and measurement and control of bay units of the following voltage levels. It has complete protection, measurement, control, backup power supply automatic switching and communication monitoring functions. It provides It provides a complete solution for the protection and control of substations, power plants, high and low voltage power distribution and factory power systems, which can effectively ensure the safe and stable operation of high and low voltage power grids and factory power systems. It can be combined with other protection and automation equipment to form an automation system through communication interfaces. All devices can be grouped into panels for centralized installation, or can be installed locally in high and low voltage switch cabinets. Specific function model classification: Name Comprehensive protection measurement and control device Motor protection measurement and control device Backup power automatic switching device Voltage parallel/switching device Application scope Line protection, outlet protection, feeder protection, transformer measurement and control protection, used transformer protection, transformer backup protection, bus tie protection , Capacitor protection. Motor protection, measurement and control, double incoming lines, double bus joints for standby switching, double busbars for bridge standby and automatic switching, and parallel/switching of double branch voltages on the low voltage side of the main transformer. Features of the device: It adopts a fully sealed structure and has good earthquake resistance and dustproof performance. Small size Specialized design, small size, light weight, beautiful appearance, easy to install. Adopt unique reliability design, no adjustable components, good device stability and strong anti-interference. Full Chinese LCD display, clear and easy to understand human-machine interface, easy operation The setting is extremely convenient? The power supply of the device is AC and DC, and the operating power supply of the device is. If necessary, please indicate when ordering. ? It has an R bus serial communication port and integrates the B standard communication protocol. It has an event sequence recording function, which can record events, and the data will not be lost after power failure. It has a complete self-test function, complete exception records, event records, and operations. Record, all information is retained when power is turned off? It has a compact and delicate appearance, a reasonable structure, and uses high-grade, high-quality components and multi-layer board technology and processes to make the product have high electrical performance. Internally integrated zero-sequence current (voltage) synthesis The algorithm can add zero sequence () or not, to achieve zero sequence overcurrent voltage protection. ? Adopt precision synthesis algorithm, which can be realized through key operation - the connection method and the type connection method are common. ? Has a complete circuit breaker operating circuit? Ultra-low power consumption