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Inverter anti islanding test

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公司名稱(chēng)上海文順電器有限公司
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更新時(shí)間2024/11/25 8:28:07
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電子制造,變阻器,電阻箱,滑動(dòng)變阻器,頻敏變阻器,滑線(xiàn)變阻器,熱敏電阻,壓敏電阻,色環(huán)電阻,熱電阻

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ProductDescription:Photovoltaicgridconnectedpowergenerattembelongstodistributedpowersupplysystem

Inverter anti islanding test 產(chǎn)品信息

Product Description: Photovoltaic grid connected power generation system belongs to distributed power supply system. When the power supply is interrupted due to electrical failure, misoperation or natural factors, each photovoltaic grid connected power generation system is still running, And the connection with the local load is in an independent operation state, which is called islａnd effect. Considering power safety and power quality, isolated islａnd is not allowed. So, photovoltaic The grid connected power generation system shall have the ability to detect the islａnd state and stop the grid connected operation quickly and effectively. In order to meet the anti islanding test and detection requirements of grid connected inverter. Wstf-87300 series anti islanding resonant load can simulate various RLC AC loads and various working environments of inverter Measuring the actual output power and load capacity of the inverter can detect and debug the resonance point of the photovoltaic inverter. The host has built-in pure resistive load and inductive load, and the power input adopts segmented combined control, Various power inputs can be combined arbitrarily. The wstf-87300 series anti islanding resonance load we provide can accurately detect the output power and load capacity of various generator sets. Function introduction: 1. The main loop consists of resistive network, perceptual network and capacitive network. 2. The combination can realize the adjustable power factor of ± 0.3 ~ 1. 3. RLC three-phase independent split phase control 4. Simulate the resonance of AC electrical equipment and effectively and accurately detect the anti islanding effect protection function of grid connected inverter. 5. Detect the working efficiency, maximum output power and load capacity of various inverters under full load operation. 6. Simulate various complex working environments and detect the comprehensive working performance of the inverter in various environments. 7. It is applied to the product acceptance and daily maintenance detection of grid connected inverters by users, comprehensively and scientifically detect the power supply capacity of various inverters, and accurately provide detection reports. Application fields: It is used in the fields of grid connected inverter delivery inspection, type test, production commissioning, scientific research and development, laboratory electrical test, identification and detection of authoritative institutions, etc.
Product name	Wstf-87300 series RLC anti islanding resonant load
model	WS-87310		WS-87330		WS-873100
Main technical indexes of load box
Rated voltage	AC 220V		AC 380V / 220V three-phase four wire system		AC 380V / 220V three-phase four wire system
Rated power	Resistance 10kw		Resistance 30KW		Resistance 100kW
	Inductance 10var		Inductance 30kvar		Inductance 100kvar
	Capacitance 10var		Capacitance 30kvar		Capacitance 100kvar
load balance	NA		Three phase independent adjustable		Three phase independent adjustable
Maximum current	45A		45A		151A
Rated frequency	50Hz		50Hz		50Hz
Load properties	Resistive inductive capacitive integration		Resistive inductive capacitive integration		阻性感性容性一體化
	PF±0.3~1.0		PF±0.3~1.0		PF±0.3~1.0
Quality factor	Q=1.0		Q=1.0		Q=1.0
Minimum step	0.001Kva		0.01kva (per phase)		0.01Kva（每相）
accuracy	≤1%F.S.		≤1%F.S.		≤1%F.S.
control mode	Manual	Programmable	Manual	Programmable	Manual	Programmable
Panel layout	power switch	power switch	power switch	power switch	power switch	power switch
	Power regulating switch	10 Inch Touch Screen	Power regulating switch	10 Inch Touch Screen	Power regulating switch	10 Inch Touch Screen
	Digital display instrument	Local / remote transfer switch	Digital display instrument	Local / remote transfer switch	Digital display instrument	Local / remote transfer switch
	Buzzer	Buzzer	Buzzer	Buzzer	Buzzer	Buzzer
	Emergency stop switch	Emergency stop switch	Emergency stop switch	Emergency stop switch	Emergency stop switch	Emergency stop switch
		RS485 communication interface		RS485 communication interface		RS485 communication interface
Communication protocol	NA	Modbus RTU communication protocol	NA	Modbus RTU communication protocol	NA	Modbus RTU communication protocol
Data monitoring	Current, voltage, apparent power, active power, reactive power, power factor, frequency		Three phase current, three-phase voltage, apparent total power, three-phase active power, three-phase reactive power, power factor, frequency
oltage resolution	≤1%F.S.
Current resolution	≤1%F.S.
Power Resolution	≤1%F.S.
Protection function	Short circuit protection of working power Short circuit protection of working power supply PLC fault protection (programmable) Instrument fault protection (programmable)
Heat dissipation mode	Forced air cooling
Working power supply	AC 220V 50Hz				AC 380V 50Hz
Installation mode	Indoor, mobile vertical cabinet type, with universal casters at the bottom		Indoor, mobile vertical cabinet type, with universal casters at the bottom		Indoor, mobile vertical cabinet type, with universal casters at the bottom
Overall dimension	1300-620-700mm h * w * D		1900-900-1050mm h * w * D		2200-1300-1650mm h * w * D
Equipment weight	150kg		450kg		900kg
Appearance color	Ral9003 white		Ral9003 white		Ral9003 white