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Suzhou Guding Electronics Co., Ltd
Tel: 0512-65138986
Fax: 0512-65776156
Email: guding88@126.com
Address: plant 5, No. 78, Yangpu Road, Suzhou Industrial Park, Suzhou Free Trade Zone, Jiangsu
Address: No. 277, North Zhonghe Road, Zhonghe District, Taiwan
Mobile: 0981733591
Fax: 886-2-22496506

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GDBA series analog power supply

Product parameter

Functional characteristics
The GDBA series analog power supply is a dedicated automated intelligent testing platform system specially designed for testing R & D and design of photovoltaic overter, which greatly facilitates the requirement of PV overter production and experimental testing, accelerates the R & D rate, improves the production process, improves the product out of plant qualification, and becomes a necessary detection tool for product qualification, scientific research and development, and production commissioning. The GDBA series of analog power supply products overcomes the drawbacks of testing equipment for photovoltaic overters in the market at present, which integrates the testing needs of photovoltaic overters in various certification bodies, laboratories and manufacturers to really provide customers with a complete set of testing solutions.
The main product characteristics are as follows:
● complete system solution;
● fully functional, uniform interface, and convenient test platform building;
● PV overter tested for dedicated soft and hardware design for ease of use;
● models are fully characterized to facilitate selection at different testing sites;
● capacity class wide (10KVA ~ 2000kVA), supporting high-power testing needs;
● system integration is cost-effective;
● a specialized R & D team that supports customers in tailoring their products.
Technical characteristics
The GDBA family of analog power supply products integrates current power electronics technology, embedded control technology, and production processes, and the products have high reliability, stability, and easy operation.
Specific product technical features are as follows:
● digital voltage, frequency control: to meet the needs of the system rapid type, the control is simple and reliable, so that the automated test can be possible;
● DDS manner frequency change control: frequency change smoothing;
● complete digital protection system: to increase the reliability of the system;
● efficient energy feedback systems: reduce test energy losses and test platform distribution requirements;
● data setup storage: multi group test data storage, which is convenient for users to construct standardized test processes;
● rich communication interface: support for communication modalities such as RS232, RS485, GPIB;
● friendly human-machine interface: 320 × 240 large screen LCD displays various parameters and settings;
● stacked bus structure: effectively reduces the inverse loop line sense and increases the converter reliability;
● independent heat sink design;
● humanized design in appearance: rounded corners, heat sink plus protective mesh, and crash proof injuries are used.
GDBA series of products technical parameters for grid analog power supply

model		GDBA-33006	GDBA-33010	GDBA-33015	GDBA-33020	GDBA-33030	GDBA-33045	GDBA-33060	GDBA-33075
Output capacity(KVA)		6KVA	10KVA	15KVA	20KVA	30KVA	45KVA	60KVA	75KVA
Circuit mode		IGBT/SPWMdelta modulation technique
AC input	Phase number	Three phase
	Wave form	City electricity
	Voltage	220V/380V
	Voltage fluctuation range	220V/380 ±15%
	Frequency fluctuation range	50Hz±3Hz or60Hz±3Hz
	Power factor	0.85 (at full load)
AC output	Phase number	Three phase
	Wave form	Standard sine wave
	Voltage	10Vˉ300V Continuously adjustable output
	frequency	40Hzˉ65HzAdjustable output
	Frequency stability rate	≤0.01%
	Voltage(A)	8.3	13.9	20.8	27.8	41.7	62.5	83.3	104.2
	Voltage stabilizing rate of power supply	≤1%
	Load stabilization rate	≤ 1% (continuous load)
	Waveform distortion (THD)	≤ 2% (continuous load)
	Efficiency	≥ 85% (tested under full load)
	Reaction time	≤2 ms
	Crest factor	3：1
	Output guarantee	Input the fuse free switch, the electronic circuit can quickly detect overvoltage, overcurrent, overload, high temperature & short circuit, and automatically trip the protection and alarm device
Display	Display interface	Large screen LCD display (320) × 240）
	Voltage	Measuring range: 0 ˉ 300V； Resolution: (< 100V) 001v, (≥ 100V) 01v; Accuracy: 0.5% FS + 5count
	Current	Phase power ≤ 5kW measuring range: 0 ˉ 50A； Resolution: (< 10a) 0.001a, (≥ 10V < 50a) 0.01A; Accuracy: 0.5% FS + 5count
		Phase power ≤ 5kW measuring range: 0 ˉ 1200A； Resolution: (< 500A) 0.01A, (≥ 500A ＜ 1200A) 0.1A; Accuracy: 0.5% FS + 5count
	Power	Phase power ≤ 5ka measurement range: 0 ˉ 5KWA； Resolution: (< 1kW) 0.1W, (≥ 1kW, < 5kW) 0.001kw; Accuracy: 0.5% FS + 5count
		Phase power ＞ 5kW & nbsp; Measuring range: 0 ˉ 800KWA； Resolution: 0.1kw; Accuracy: 0.5% FS + 5count
	Frequency	Measuring range: 45 ˉ 65Hz； Resolution: 0.01Hz; Accuracy: 0.01% FS + 2count
	Power factor	Measuring range: 0 ˉ 1； Resolution: 0.01; Accuracy: 2%
	Time	Measuring range: 1 second ˉ 99 hours; Resolution: 1 second
Set item	Voltage	Setting range: 0 ˉ 300V； Resolution: 0.1V; Accuracy: 1%
	Frequency	Setting range: 45 ˉ 65Hz； Resolution: 0.01Hz; Accuracy: 0.01%
	Time	Setting range: 1s ˉ 99 hours; Resolution: 1 second
	General program memory	There are 10 groups in total, and each group can remember the set values of voltage and frequency
	Step program memory	There are 24 groups in total, and each group can remember the voltage, frequency and step operation time
	Gradient program memory	There are 12 groups in total, and each group can remember voltage, frequency and gradual running time
	Cycle operation function	Both step and gradient have cycle function, and the number of cycles can be set to 999999
Control mode	Short range control	Keyboard setting (output parameter setting and protection setting)
	Remote control	RS-232/RS-485（Standard configuration）
		GPIB interface (adaptation)
Environment	Insulation impedance	≥DC500V 0MIΩ
	Withstand voltage insulation	AC 1800V 10mA / 1min
	Cooling device	Fan cooling
	Stable work	0℃ ˉ 45℃
	Relative humidity	0 ˉ 90% (non condensing state)
	Altitude	Below 1500 meters
Special specifications can also be customized

Technical parameters of GDBA series grid analog power supply products

model		GDBA-33100	GDBA-33150	GDBA-33200	GDBA-3300	GDBA-33400	GDBA-33450	GDBA-33006	GDBA-33800
Output capacity(KVA)		100KVA	150KVA	200KVA	300KVA	400KVA	450KVA	600KVA	800KVA
Circuit mode		IGBT/SPWMCircuit mode
AC input	Phase number	three-phase
	wave form	City electricity
	Voltage	220V/380V
	Voltage fluctuation range	220V/380 ±15%
	Frequency fluctuation range	50Hz±3Hz 或60Hz±3Hz
	power factor	0.85（At full load）
AC output	Phase number	Three phase
	Waveform	Standard sine wave
	Voltage	10Vˉ300V（Relay voltage）Continuously adjustable output
	frequency	45Hzˉ65HzAdjustable output
	Frequency stability rate	≤0.01%
	Voltage(A)	138.9	208.1	277.7	416.7	555.5	625	833.3	1111.1
	Voltage stabilizing rate of power supply	≤1%
	load regulation	≤1%(Relay load）
	Waveform distortion(THD)	≤2%(Relay load）
	efficiency	≥85%（Test at full load）
	reaction time	≤2 ms
	Crest factor	3：1
	Output guarantee	Input the non soldering switch, the electronic circuit can quickly detect overvoltage, overcurrent, overload, high temperature & short circuit, and automatically trip the protection and alarm device
Display	Display interface	Large screen LCD display (320) × 240）
	Voltage	Measuring range: 0 ˉ 300V； Resolution: (< 100V) 0.01V, (≥ 100V) 0.1V; Accuracy: 0.5% FS + 5count
	Current	Phase power ≤ 5kW measuring range: 0 ˉ 50A； Resolution: (< 10a) 0.001a, (≥ 10V < 50a) 0.01A< span style="margin: 0px; padding: 0px;"> Accuracy: 0.5% FS + 5count
		Phase power ≤ 5kW measuring range: 0 ˉ 1200A； Resolution: (< 500A) 0.01A, (≥ 500A ＜ 1200A) 0.1A< span style="margin: 0px; padding: 0px;"> Accuracy: 0.5% FS + 5count
	Power	Phase power ≤ 5ka measurement range: 0 ˉ 5KWA； Resolution: (< 1kW) 0.1W, (≥ 1kW ＜ 5kW) 0.001kw< span style="margin: 0px; padding: 0px;"> Accuracy: 0.5% FS + 5count
		Phase power ＞ 5kW & nbsp; Measuring range: 0 ˉ 800KWA； Resolution: 0.1kw< span style="margin: 0px; padding: 0px;"> Accuracy: 0.5% FS + 5count
	Frequency	Measuring range: 45 ˉ 65Hz； Resolution: 0.01Hz< span style="margin: 0px; padding: 0px;"> Accuracy: 0.01% FS + 2count
	Power factor	Measuring range: 0 ˉ 1； Resolution: 0.001; Accuracy：2%
	time	Measuring range: 1 second ˉ 99 hours; Resolution: 1 second
Set item	Voltage	Setting range: 0 ˉ 300V； Resolution: 0.1V；accuracydegree：1%
	frequency	Fixed range: 45 ˉ 65Hz； Resolution：0.01Hz；accuracydegree：0.01%
	time	Setting range: 1s ˉ 99 hours; Resolution: 1 second
	General program memory	There are 10 groups in total, and each group can remember the set values of voltage and frequency
	Step program memory	There are 24 groups in total, and each group can measure the pressure, frequency and step operation time
	Gradient program memory	There are 12 groups in total, and each group can remember voltage, frequency and gradual running time
	Cycle operation function	Both step and gradient have cycle function, and the number of cycles can be set to 999999
control mode	Short range control	Keyboard setting (output parameter setting and protection setting)
	Remote control	RS-232/RS-485（Standard configuration）
		GPIBInterface (adaptation)
environment	Insulation impedance	≥DC500V 10MIΩ
	Withstand voltage insulation	AC 1800V 10mA/1minute
	cooling system	Fan cooling
	Stable work	0℃ˉ45℃
	relative humidity	0ˉ90%（Non condensing state）
	Altitude	Below 1500 meters
Special specifications can also be customized

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GDBA series analog power supply

Product parameter