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Tianyi Sensor IOT Technology Co., Ltd

Sales Manager：Ms. Emily Wang

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location：Home>Products>PV Weather Station>Series power supply>EL series of DC power supply

EL series of DC power supply

Model：FT-150030

Brand：tianyi

EL series of DC power supply provides up to 4.5kW of clean output power, ideal for testing internal defects in solar panels.

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1.Introduction to EL series of DC power supply

EL series of DC power supply provides up to 4.5kW of clean output power, ideal for testing internal defects in solar panels.EL series of DC power supply is developed by our company for the reverse power-up characteristics of photovoltaic power station series.By converting alternating current into DC input panels to stimulate electroluminescence, EL internal defect testing is carried out.

FT-150030 is a R&D program-controlled power supply, and the electrical performance and guarantee measures of EL series of DC power supply are controlled through the program software system.Its pro version is equipped with high-quality software, and uses higher-quality imported electronic components and an open programming host to better ensure the stability and security of string detection.

2.Technical parameters of EL series of DC power supply

1.ELEL series of DC power supply photovoltaic

Specification	FT-150030	FT-150050	FT-150010
Electrical energy parameters	0～1500V; 0～3A	0～1500V; 0～5A	0～1500V; 0～10A
quality	Programmable linear domestic production	Programmable custom import	Programmable custom import
Scene	EL detector single block/serial test	EL detector single block/serial test	EL detector + drone EL test
Voltage output	0～1500V	0～1500V	0～1500V
Voltage Accuracy	1V	0.001V	0.001V
Compensation voltage	12V	96V	96V
Current output	0～3A	0~5A	0～10A
Current Accuracy	0.1A	0.001A	0.001A
Electricity accuracy	±0.1A; ±1V	±0.001A; ±0.001V	±0.001A; ±0.001V
Power output	0～4.5KW	0～8KW	0～16KW
Power stability	±0.1%	±0.002%	±0.002%
Output accuracy	±0.1%	±0.001%	±0.001%
Output efficiency	＞80%	＞95%	＞95%
Output linear adjustment rate	±0.5%	±0.005%	±0.005%
Output load adjustment rate	±0.5%	±0.005%	±0.005%
Input voltage	220VAC	380VAC	380VAC
Input frequency	50/60Hz	50/80Hz	50/100Hz
Input power factor	＞0.75	＞0.5	＞0.5
Power-on time	Manual control	Automatic power-on and automatic power-off when the program control is scheduled
Insulation voltage withstand input to output	2500VDC
Insulated voltage-resistant output to the housing	500VDC
OVP adjustment range	0-100% front panel adjustment (or digital interface)
OVP adjustment accuracy	±1% rating

2.ELEL series of DC power supply/programming control system

Specification	FT-150030	FT-150050	FT-150010
Programmable control system	Control current and voltage output, monitor power supply working status	The program control panel can directly set various program control indicators of power supply
Programmable remote interface	RS-485C, analog interface (0-10V)
Program Control Panel	-	The power panel can be programmed to control the power on and off time, timed power on and protection threshold, etc.
Countercurrent protection	-	Can set the inverse current impedance threshold to prevent the backflow of the string current
Short circuit protection	Photovoltaic group reverse connection short circuit protection to prevent photovoltaic module breakdown diodes
Programmable buffer protection	-	The buffered photovoltaic group is powered off in series to prevent the photovoltaic plate from being broken down directly from high current
Programmable steady-state output	-	Adaptively match current voltage according to different power components in the group string (avoid breakdown of component diodes)
Digital voltage programming accuracy	-	±0.001%	±0.001%
Digital current programming accuracy	-	±0.001%	±0.001%
Programmable rise time	-	0~10s can be set
Programmable drop time	-	60ms (no load); 250ms (10% load); 2.5s (full load)
Voltage fluctuation control	0.1V/ms～10V/ms	0.001V/ms～0.002V/ms
Current fluctuation control	0.1A～0.2A	0.001A～0.01A, or 1NF
Minimum time for fluctuation control	5ms	0.1ms
Panel display	Digital display insulation control panel	Host Program Control Panel
Panel control	-	The power supply current voltage protection limit value can be set OVP
Photovoltaic EL power-on characteristics	High and low current switching test (manual switching)	High and low current switching test (automatic program switching)
Number of synchronous power-on components	Can be completed synchronously with 1 to 32 photovoltaic panels (within 1500V) detection and power supply access
Photovoltaic power-on access port	Bus box / inverter / string port / component port
Steady-state output module	-	The electrical energy parameters of each component in the stable power-on string are consistent (PV panel breakdown)
Constant temperature control module	Air-cooled continuous heat dissipation and temperature control	The electronic temperature control program is 45°C and can guarantee uninterrupted work for 24 hours
Overload protection	-	The overload threshold can be set, and the output overload will automatically stop to prevent the power supply from burning out and opening the transformer.
Automatic short circuit protection for output	Protect power failures and personal dangers caused by power station lines or component series disconnection, and the power supply will be automatically powered off.
Automatic input voltage protection	-	It can protect the burning of power components caused by excessive input voltage fluctuations.
Phase-loss protection	Can protect power supply damage and accidents caused by three-phase circuit breaker
Internal overheating protection	Dynamic heat dissipation can be achieved according to the internal temperature to ensure that the power supply will not be burned due to excessive temperature
High voltage isolation protection	Ensure the high-voltage electrical work safety of the operators of the entire machine housing and panel
Input line	2 meters (6 square meters)
Wiring method	AC220	Three-phase three-wire + ground
Volume weight	430x88x450mm; 13kg	17kg	26kg

Note: EL series of DC power supply is a high-power DC output power supply and is a high-voltage equipment.The program control system is customized for photovoltaic power station scenarios, which can better ensure the safety of on-site manual construction.However, high-voltage equipment is still a high-risk and high-risk equipment.Please strictly follow the operating instructions and standardize wiring and operation.When the power supply is protected, contact the manufacturer as soon as possible to solve the problem.Do not connect the wiring without authorization to prevent danger! ! !

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