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Shandong Fengtu IOT Technology Co., Ltd

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Add：No. 155 Optoelectronic Industry Accelerator, Gaoxin District, Weifang, Shandong, China

location：Home>Products>Photovoltaic Inspection>Series power supply>EL series of DC power supply

EL series of DC power supply

Model：FT-150030

Brand：fengtu

EL series of DC power supply EL Series of DC power Supply meets the high voltage requirements of EL testing with high output voltage.

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1.EL series of DC power supply product introduction

EL series of DC power supply EL Series of DC power Supply meets the high voltage requirements of EL testing with high output voltage.EL series of DC power supply is developed by our company for the reverse power-on characteristics of photovoltaic power station strings. It converts AC power into DC power and inputs it into the solar panels to stimulate electroluminescence, thereby conducting internal defect tests on EL.

FT-150030 is a research and development type program-controlled power supply, which controls the electrical performance and safeguards of EL series of DC power supply through program software system. Its pro version is a high-quality software configuration, using higher quality imported electronic components with open programming host, which can better guarantee the stability and safety of string detection.

2. Technical parameters of EL series of DC power supply

1. ELEL series of DC power supply for photovoltaic

Specification	FT-150030	FT-150050	FT-150010
Power parameters	0～1500V; 0～3A	0～1500V; 0～5A	0～1500V; 0～10A
quality	Programmable linear domestic	Program-controlled custom import	Program-controlled custom import
Scenes	EL detector single block/string test	EL detector single block/string 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
Power 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 Line Regulation	±0.5%	±0.005%	±0.005%
Output load regulation	±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	Program-controlled timing automatic power on and power off
Insulation withstand voltage input to output	2500VDC
Insulation withstand voltage output to shell	500VDC
OVP adjustment range	0-100% front panel adjustment (or digital interface)
OVP regulation accuracy	±1% rated value

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

Specification	FT-150030	FT-150050	FT-150010
Programmable control system	Control current and voltage output and monitor power supply working status	The program control panel can directly set various program control indicators of the power supply
Programmable remote interface	RS-485C, analog interface (0-10V)
Programmable control panel	-	The power panel can be programmed to control the power on and off time, timed power on, protection threshold, etc.
Reverse current protection	-	The reverse current impedance threshold can be set to prevent string current backflow
Short circuit protection	PV string reverse connection short circuit protection to prevent PV module diode breakdown
Program-controlled buffer protection	-	Cache-type photovoltaic groups are disconnected in series to prevent large currents from directly penetrating the photovoltaic panels
Program-controlled steady-state output	-	Adaptively match current and voltage according to different power components in the 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 fall time	-	60ms (no load); 250ms (load 10%); 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 control panel
Panel Control	-	The power supply current and voltage protection limit value OVP can be set
Photovoltaic EL power-on characteristics	High and low current switching test (manual switching)	High and low current switching test (programmed automatic switching)
Number of components powered on simultaneously	Can simultaneously complete the detection and power supply access of 1 to 32 photovoltaic panels (within 1500V)
Photovoltaic power access port	Combiner Box / Inverter / String Port / Module Port
Steady-state output module	-	Stable power-on: The power parameters of each component in the string are consistent on average (to prevent photovoltaic panel breakdown)
Constant temperature control module	Air cooling for continuous heat dissipation and temperature control	Electronic temperature control at 45°C ensures 24-hour uninterrupted operation
Overload protection	-	The overload threshold can be set, and the output will stop automatically when overloaded to prevent the power supply transformer from being burned.
Output short circuit automatic protection	Protect against power failure and personal danger caused by power station line or component string disconnection, and the power supply is automatically cut off
Input voltage automatic protection	-	Can protect power supply components from burning out due to excessive input voltage fluctuations
Phase loss protection	Can protect against power damage and accidents caused by three-phase circuit breaker
Internal overheat protection	Dynamically dissipate heat according to the internal temperature to ensure that the power supply will not burn out due to overheating
High voltage isolation protection	Ensure the safety of high voltage electrical work for operators of the whole machine casing and panel
Input Line	2 meters (6 square meters)
Wiring	AC220	Three-phase three-wire + ground wire
volume and weight	430x88x450mm; 13kg	17kg	26kg

Note: EL series of DC power supply is a high-power DC output power supply, which 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 equipment. Please strictly follow the operating instructions and standardize wiring and operation. In the event of power protection, contact the manufacturer as soon as possible to solve the problem. Do not operate the wiring without authorization to prevent danger! ! !

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