control box feeder terminal unit1625043492

Caixa de Controle Recloser-Alimentador Unidade Terminal

Name: Caixa de Controle Recloser-Alimentador Unidade Terminal
Brand: Zhuhai Gopower Smart Grid Co., LTD

A unidade de terminal de alimentação (FTU) é um novo dispositivo de controle de interruptor HV de gabinetes de gabinete de controle equipados com os chips de amostragem DSP de alta velocidade importados e os chips ARM de alto desempenho, e pode rapidamente e estavelmente terminar a monitoração no interruptor.

Unidade terminal remota do alimentador industrial pelo nossoEmpresa de equipamentos de energia elétricaTem funções como a proteção, medição, controle, monitoramento, comunicação, controle remoto e assim por diante e apresenta alto nível de integração, configuração flexível e interface amigável. Armário de controle elétrico são amplamente aplicados aos sistemas de fornecimento de energia de rede radiante e anel.

A caixa de controle elétrica do controle exterior de FTU pode ajudarArmário de distribuição elétricaSistemas identificam falhas de linha transitórias e permanentes. A caixa de controle ao ar livre elimina o impacto de falhas de linha transitórias automaticamente, isolar os segmentos de falha permanente para evitar falha de energia prolongada em uma grande área e recuperar automaticamente a fonte de alimentação em áreas livres de falhas, de modo a realizar a automação da rede de distribuição de energia de forma econômica e prática.

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Recloser Control Box-feeder Remote Terminal Unit Key Functions

S/N	Functions	Remarks
1.	Three section protection	Each protection can be vote back independently
2.	Over-current count protection	Failure time count, output after meeting the number of times, output mode is optional
3.	Zero-sequence protection	Output options: exit, alarm and tripping
4.	Pre - voltage fault protection	Protection can be accelerated when combined at fault point
5.	Post-reclosing acceleration	Vote back independently
6.	Constant time-lag	The protection time is fixed
7.	Inverse time limit	Multiple protection curves optional
8.	Ring network protection	Hardware needs to configure double PT
9.	Event Log	The recording time is exactly millisecond
10.	Status enquiry	The main content is remote recloser controller and remote metering
11.	Remote programmable	Remote input support programmable

Recloser Control Box-Feeder Terminal Unit Communication Protocols

S/N	Protocols	Remarks
1.	IEC60870-5-101 balanced
2.	IEC60870-5-101 unbalanced
3.	IEC60870-5-104
4.	DNP3.0	Now support level 3
5.	Modbus

Recloser Control Box-feeder Remote Terminal Unit Technical Parameters

No.	Items	Rated value	Remarks
1.	Operating ambient temperature	-40 ~ +85℃
2.	Environmental relative humidity	10 ~ 100%
3.	Maximum absolute humidity	35g/m3
4.	Atmospheric pressure	66~ 108kPa
5.	Working voltage	AC220V±20%
6.	Working voltage frequency	50HZ±5HZ
7.	Power consumption	≤15W
8.	Protective exit time	<35ms	Protect inherent action time at 1.5 times fixed value
9.	Insulation impedance	>100MΩ/ DC500V	1. External terminal to ground 2. Power circuit to ground 3. On-off input circuit to ground 4. Output circuit to ground 5. AC circuit to ground 6. AC circuit and power circuit 7. Between on-off input circuit and output circuit
10.	Power frequency withstand voltage	2k	Power circuit to ground
		500	On-off input circuit to ground
		500	Output circuit to ground
		2k	AC circuit to ground
		2k	AC circuit and power circuit
		1500	Between on-off input circuit and output circuit
11.	Impulse withstand voltage	5k	Power circuit to ground
		1k	On-off input circuit to ground
		1k	Output circuit to ground
		5k	AC circuit to ground
		5k	AC circuit and power circuit
		1k	Between on-off input circuit and output circuit

Recloser Control Box-feeder Remote Terminal Unit Characteristic Functions

Feeder terminal unit is small in size and large in quantity. FTU electrical control cabinet is equipped with a transmitter for direct AC sampling. It is resistant to high temperature and cold and is suitable for outdoor harsh environments.

Unlike the scada remote terminal unit, the amount of data collected by FTU electronic recloser controller box is small, the requirement of communication rate is low, and the requirement of reliability is high.

FTU outdoor recloser controller box can be manufactured by a high-performance single-chip microcomputer. In order to adapt to the harsh environment, industrial chips that can work at 75 ℃ shall be selected, and they shall be protected against lightning, rain and moisture through appropriate structural design.

Recloser Control Box-feeder Remote Terminal Unit Application

At present, feeder terminal units power recloser controller box as one popular type of distribution electrical box have been widely deployed in column switches, ring network cabinets, switching stations, power recloser controller boxes, and other places on the distribution network line to realize the "three remote" automation functions of remote signaling, telemetry and remote control of remote primary equipment.

As an information and data communication tool, a computer network provides a powerful communication means for industrial electrical cabinet and provides a reliable basis for realizing the networked control of distribution automation system devices. Fieldbus technology and GPRS wireless communication technology inject new vitality into the implementation of feed automation. Driven by network, communication and other information technologies, distribution automation is developing from spontaneous Island automation to unified and systematic comprehensive automation.

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