High-Power 3-Phase AC Variable Frequency Supply for Electrical Performance Labs

Product Description

Product Description

  Three Phase Programmable Source For Railway Signaling System Validation

Single/Three-Phase Programmable AC Variable Frequency Power Supply This power supply utilizes Sinusoidal Pulse Width Modulation (SPWM) high-frequency modulation technology and advanced Direct Digital Synthesizer (DDS) waveform generation to deliver a clean sinusoidal output. It can simulate standard or abnormal voltage and frequency conditions, with a maximum output power of up to 2000 kVA per unit. Optional functions include: •  Step and ramp output modes  •  Independent three-phase voltage adjustment  •  Soft-start functionality   It is widely applied in industries such as home appliances, commercial air conditioning compressors, motor electronics, medical equipment, and lighting. Moreover, it is particularly suited for high-precision or complex power applications in laboratories, certification centers, and R&D facilities.

Product Features

1. Adopt advanced direct digital frequency synthesizer (DDS) waveform generation technology, high frequency stability and good continuity;

2. High measurement accuracy, suitable for the testing of current sinusoidal half-wave and similar waveforms with DC components;

3. Provide embedded intelligent PC monitoring system;

4.Full range adjustable output voltage 0-150VAC for low grade / 0-300VAC for high grade, step distance 0.1V;

5. Output frequency 45-500 Hz, step 0.1 Hz;

6. Output current limit function; 

7. With 9 sets of memory, commonly used parameters can be stored for easy recall when in use; 

8. It has an RS232C communication interface [IEEE488.2 (GPIB) optional], and the instruction execution time is less than 10ms;

9. Protection modes: over-voltage, over-current, overload, short circuit, current limiting, etc.;

10. Provide readings such as root mean square voltage, root mean square current, active power, frequency, power factor, etc.; 

11. For 100% unloaded loading, the voltage regulation response time is less than 20ms, the overload capacity is strong, and the instantaneous current can withstand 3 times the rated current;

12. Voltage, frequency, time, and digital key input, high accuracy;

13. This machine can perform 30 sets of different voltage, frequency, rise time, and running time settings at one time, and can perform 999999 consecutive cycle tests.

Product Applications

The product offers high flexibility and adaptability to meet diverse testing requirements, boosting efficiency while ensuring cost control.

Technical Specifications-single-phase

(Custom configurations available upon request.)

AS2000 series single-phase programmable AC inverter power supply
Model	Power capacity	OUTPUT Max Curren L= 120 V	OUTPUT Max Curren H= 240 V	weight( Kg)	volumeW×H×D( mm)
AS2003	3KVA	16.8A	8.4A	30	430×178×570
AS2005	5KVA	42A	21A	50	430×520×550
AS2010	10KVA	84A	42A	60	430×765×550
AS2015	15KVA	126A	63A	80
AS2020	20KVA	168A	84A	120
AS2030	30KVA	252A	126A	250	800×1680×1050
AS2050	50KVA	420A	210A	300
AS2100	100KVA	840A	420A	600	1000×2000×1050
AS2200	200KVA	1680A	840A	800

Capacity			3KVA-10KVA		10KVA-15KVA	15KVA-200KVA			200KVA
method of production			SPWM
INPUT	Phase		1φ2W PE single-phase two-wire ground wire		3φ4W PE three-phase four-wire ground wire
	Voltage		220V±15%		380V±15%
	Frequency		47Hz ~ 63Hz
OUTPUT	Phase		1φ2W PE single-phase two-wire ground wire
	Voltage		Low 0~150.0VAC / High 0~300.0VAC automatic AUTO (special voltage needs to be customized)
	Frequency		45~120Hz (40~500Hz optional, 10~1000Hz customized) 0.1Step
LED Display			Voltage Vrms, Current Arms, Frequency Fre, Power Wattage, Power Factor PF
Linear Regulation			0.1%
Load Regulation			1 %
Harmonic THD			1.5%(Pure Resistive Load)
Frequency Regulation			0.01%
Voltlage Resolution			0.1V
Frequency Resolution			<100Hz    0.01 Hz, >100 Hz     0.1 Hz
Current Resolution			0.01A			0.1A			1A
Measurement accuracy	Voltage		0.2%FS+5dgt
	Current		0.3%FS+5dgt
	Wattage		0.45%FS+5dgt
	Frequency		0.01%FS+5dgt
The precision of the setting	Voltage		0.2%FS
	Current		0.01%FS
Memory group			There are 9 groups in total, each group can remember voltage and frequency values, and can be easily called
Programmable group			There are 30 sets in total, each group can operate voltage, frequency value, rise time, and running time
Overload capacity			105% < output≤ 110% 15 seconds shutdown output; 110% < output≤ 200% 5-second shutdown output; 200% < output≤ 300% 2 seconds shutdown output; 300% < output Shut down the output immediately
Impact resistance			It can withstand 3 times the rated current for 2 s, and can withstand a power of no more than 0.5 times the rated power of the power supply The starting shock of the load or crest factor is not greater than 3.0 rectification load
Interface			RS232C [IEEE488.2 (GPIB) Optional]
I-LIM Set			O-Max Current
Protection			Over Current     Over Temp Over Load Short Circuit
Operating Environment			0 ~40°C (outdoor -20°C ~ 50°C needs to be customized) 20~90%RH

Technical Specifications-three-phase

(Custom configurations available upon request.)

AS2000 Series Three-Phase Programmable AC Variable Frequency Power Supply
Model	Power capacity	OUTPUT Max Curren L= 120 V	OUTPUT Max Curren H= 240 V	weight( Kg)	volumeW×H×D( mm)
AS2006S	6KVA	16.8A	8.4A	75	430×800×700
AS2010S	10KVA	28A	14A	90
AS2015S	15KVA	42A	21A	120
AS2020S	20KVA	56A	28A	150
AS2030S	30KVA	84A	42A	200	8000×1680×850
AS2045S	45KVA	168A	84A	300
AS2060S	60KVA	280A	140A	600	1000×2000×1050
AS2100S	100KVA	420A	210A	900
AS2150S	150KVA	560A	280A	1200	1200×2000×1400
AS2300S	300KVA	840A	420A	1800
AS2450S	450KVA	1400A	700A	3000	1800×2000×1600
AS21000S	1000KVA	2800A	1400A	4500	3600×2000×1600

Capacity			6KVA-30KVA				30KVA-45KVA	45KVA-450KVA	450KVA-1000KVA
Working mode			SPWM
INPUT	Phase		1φ2W PE single-phase two-wire ground wire				3φ4W PE three-phase four-wire ground wire
	Voltage		220V±15%				380V±15%
	Frequency		47Hz ~ 63Hz
OUTPUT	Phase		3φ4W PE three-phase four-wire ground wire
	Voltage		Low 0~150.0VAC / High 0~300.0VAC automatic AUTO (special voltage needs to be customized)
	Frequency		45~120 Hz (40~500 Hz meal bemachede, 10~1000 Hz customizede) 0. 1 Stap
LED Display			Vrms Arms Fre Wattage PF
Linear Regulation			0.1%
Load Regulation			1 %
Harmonic THD			1.5%c(Purely resistive load)
Frequency Regulation			0.01%
Voltlage Resolution			0.1V
Frequency Resolution			<100Hz 0.01 Hz, >100Hz 0.1 Hz
Current Resolution			0.01A					0.1A	1A
Measurement Accuracy	Voltage		0.2%FS+5dgt
	Current		0.3%FS+5dgt
	Wattage		0.4%FS+5dgt
	Frequency		0.01%FS+5dgt
Setting Accuracy	Voltage		0.2%FS
	Current		0.01%FS
Memory Group			total of 9 groups, each capable of storing voltage and frequency values for easy recall.
Programmable Group			A total of 30 groups, each capable of storing operating voltage, frequency value, rise time, and running time.
Overload Capacity			When 105% < output ≤ 110%, the output will be turned off after 15 seconds; when 110% < output ≤ 200%, the output will be turned off after 5 seconds; when 200% < output ≤ 300%, the output will be turned off after 2 seconds; when output > 300%, the output will be turned off immediately.
Impact Resistance			It can withstand 3 times the rated current for 2 seconds continuously, and can withstand the starting impact of inductive loads with power not greater than 0.5 times the rated power of the power supply or rectifying loads with a crest factor not greater than 3.0.
Communication Interface			RS232C/RS485 [IEEE488.2 (GPIB) optional]
Limit Setting I-LIM			O-Max Current
Protection			Over Current  Over Temp Over Load Short Circuit
Operating Environment			-10 ~45°C (outdoor: -20°C ~ 50°C needs to be customized) 0~90%RH

After Sales Service

Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.

Company Profile

Jethley Electronics (Suzhou) Co., Ltd. 

Jethley Electronics (Suzhou) Co., Ltd. specializes in the production of DC power supply, frequency power supply, programmable AC/DC power supply, regenerative grid simulators, AC constant current sources, bi - directional DC power supply, regenerative DC electronic loads, AC loads, anti - islanding test loads, charging pile test loads, non - linear loads, DC analog impedance, photovoltaic inverter test equipment, new energy motor and electronic control test power supplies and automated test systems. It is committed to the integration of R & D, manufacturing and after - sales service of power products. As a high - tech company in the domestic power industry, it owns the core technology of power supply automated test systems.
The company has gathered an elite team who have been engaged in the R & D and production of power products in Japan and Taiwan for many years. It has absorbed advanced foreign technologies and management experience. With the tenet of "seeking truth and innovation, serving with heart" and the goal of "revitalizing national industry and achieving an international brand", it aims to promote Chinese power products to the world. At present, the full range of variable frequency power supply products (500VA - 2000KVA) produced by Jethley are widely used in various export - oriented manufacturing factories (such as home appliances, power tools, etc.), imported production lines (domestic introduction of foreign production lines), universities, and national institutions and research institutes for metrology, quality inspection, and international certification. The full range of DC power supply products (300W - 1000KW) are also widely used in motor aging, new energy testing, the LED industry due to their fast and professional customization and high - quality products, winning the long - term trust and cooperation of many customers in various industries.

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FAQ

Q: What’s the lead time for orders?
A: Standard models ship in 15–30 days; customized units require 30–45 days.

Q: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.

Q: Can I request a customized bucket size?
A: Absolutely! We offer tailored attachments.

Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.