GW Instek APS-7050 - Programmable Linear AC Power Supply (500VA, 310Vrms, 4.2Arms)
APS-7000 is a series of programmable linear AC power supply, with the height of 2U and output frequency range is 45~500Hz, , the maximum rated output for APS-7050 is 500VA, 310Vrms, 4.2Arms and APS-7100 is 1000VA, 310Vrms, 8.4Arms. The optional collocation can be extended to the maximum output voltage of 600Vrms and maximum output frequency of 999.9Hz. The APS-7000 series comprises nine measurement and test functions (Vrms, Irms, F, Ipk, W, VA, PF, Ipk hold, CF), and provides user interface similar to that of AC Power Meter. The APS-7000 series, via switching many sets of current levels to increase small current measurement resolution, is ideal for the LED industry and standby mode power consumption test. To meet the test criteria of line voltage fluctuation often seen in consumer electronics, APS-7000 series not only supply a stable source of AC, they also features five methods to cope with special purpose or abnormal voltage, frequency, and phase; ten sets of the Simulate mode simulate power outage, voltage increase, and voltage drop; ten sets of the Sequence mode allow users to define parameters and produce sine wave by editing steps; ten sets of the Program mode can edit AC waveform output and define the ceiling and floor level of measurement items for different DUT; Ramp Control allows users to set the variation speed for output voltage rise and fall; Surge/Dip Control simulates DUT’s input power producing a Surge or Dip voltage overlapping with output voltage waveform at a specific time.
The series is ideal for user to produce high complicated waveform and transient waveform to verify electronic product operation under adverse condition.
APS-7000 series currently involves APS-7050 & APS-7100 as below:
|Model Name||Max. Output Current||Power Rating Output Voltage|
There are ten sets of Sequence mode and each set has 0~255 steps. The time setting range for each step is 0.01 ~ 99.99 seconds. Combining many sets of steps to edit required waveforms satisfies users’ requirement of highly complicated waveforms.
This mode can rapidly produce different simulated input transient waveforms such as power outage; voltage rise and voltage fall etc. for engineers to evaluate the impact on DUT posed by the transient phenomena. For instance, capacitor endurance test.
|Power Outage||Voltage Rise||Voltage Fall|
This mode allows users to set ceiling and floor specifications to produce PASS/FAIL result after the measurement is done. It can also show test results for each test procedure or only show the last result. There are ten sets of Program mode and each set has 50 sets of memories. Each memory comprises 9 steps. Each Program will perform according to memories sequence, self-defined loops or designated steps to stop.
This mode provides more than 50 different waveforms in 7 major categories to rapidly simulate distorted AC voltage waveforms.
Standard AC Waveform
Power harmonic output simulation is triangle waveform
Simulate square waveform and staircase waveform for commercial UPS
Simulate grid power supply heavy load waveform
Crest factor waveform
Simulate rectified filter current waveform by capacitor input
Simulate grid power supply's peak over-voltage
Fourier series synthesized waveform
Simulate real output power waveform. Distorted power waveform is produced due to output impedance and non-linear effect such as inductance, capacitance, and parasitic capacitance effect. For example: motor.
Ramp control allows users to set output voltage rise or fall speed which is based on time (1ms) or voltage (1Vrms) unit.
|Tup-> 0.1 ~ 999.9ms
Tdn-> 0.1 ~ 999.9ms
|Vup-> 0.01 ~ 99.99 Vrms
Vdn-> 0.01 ~ 99.99 Vrms
|Mode=Time, Tup=1 msec, VAC=100V, Freq=50Hz, Ramp output=on.||Mode=Voltage, Vdn=2Vrms, VAC=100V, Freq=50Hz, Ramp output=off.|
Overlapping a Surge/Dip voltage on a normal voltage as the input power for DUT allows users to simulate Surge/Dip situation and evaluate DUT characteristics.
T Ipeak, hold function
T, Ipk Hold sets delay time (1ms~60 seconds) for measurement after the output of Ipeak value and the maximum value will be retrieved. Update will be preceded only if measured value is greater than the original value. Ipk Hold is for measuring transient inrush current as soon as the equipment power is on that is usually done by oscilloscope and current probe. T, Ipk Hold delay time setting can be applied to measure inrush current of sequentially activated DUT.
Control Panel Characteristics
There are two control panel modes: Standard mode and Simple mode. Both modes are shown as below. Standard mode combines settings and AC Power Meter measurement window display. Users apply Function key (F1~F3) to select required measurement items. There are nine items for selection. Simple mode shows all measurement items on the display.
|Standard Mode||Simple Mode|
- 4.3 inch TFT-LCD Display, Only 88mm(2U) case height
- Output Capacity: APS-7050(500VA), APS-7100 (1000VA)
- Arbitrary Waveform Function
- Surge/ Dip control for output artificial surges or dips in voltage to a DUT
- Measurement function comprises Voltage, Current, Power, Apparent Power, Current(peak), IPKH, Frequency, Power Factor, Crest Factor
- 10 sets of the Sequence mode, Simulate mode, and Programming mode
- 10 sets of Preset allow users to store ten settings
- Support Sequence, Simulate, and Program to automatically execute output after the equipment power is on
- Support SCPI Emulation, LabVIEW Driver
- Standard interface: USB Host, LAN
- Support remoter control: Sync Output, Program mode signal output, Trigger In/Out, Output on/off
- Option interface: GPIB (APS-001)；RS232/USB CDC (APS-002)
Maximum Output Capacity
Output Voltage Setting
|Range||0~155Vrms, 0~310Vrms, 0~600Vrms (APS-003), Auto|
Output Maximum Current
Output MaximumPeak Current
Output Frequency Setting
|Setting Accuracy||±(0.02% of setting)|
|Total harmonic distortion||≤0.5% at 45~500Hz (Resistive load)|
|Line Regulation||0.1% of full scale|
|Load Regulation||0.5% of full scale|
|With APS-004 Option||Range||45~ 999.9Hz|
|Accuracy||±0.2% of setting|
|Voltage (r.m.s)||Range||0.2~38.75 Vrms
|Resolution||0.01V at 0.00~99.99 Vrms
0.1V at 100.0~310.0 Vrms
|Accuracy||±(0.5% of reading+ 2counts)|
|With APS-003 Option||Range||0.2~600Vrms|
|Resolution||0.01V at 0.00~99.99 Vrms
0.1V at 100.0~600.0 Vrms
|Accuracy||±(0.5% of setting+ 2counts)|
|Accuracy||±(0.6% of reading+5 counts), 2.00~350.0mA
±(0.5% of reading+5 counts), 0.350~3.5A
±(0.5% of reading+3 counts), 3.500~17.5A
|Accuracy||±(0.6% of reading+5 counts), 0.2~99.99W
±(0.6% of reading+5 counts), 100.0~999.9W
±(0.6% of reading+2 counts), 1000~9999W
|Accuracy||±(2% reading+ 2 counts)|
|Memory||10 (0~9 numeric keys)|
|AC Input||115/230 Vac±15%|
|Phase||Single Phase, Two wire (1P2W)|
|Protection||OCP, OPP, OHP and Alarm|
|Dimension (W*H*D) & Weight||430x88x400, 24Kg|
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Recommended Accessories for the Programmable Linear AC Power Supply (500VA, 310Vrms, 4.2Arms)
GPIB interface card
Output Frequency Capacity (~999.9Hz)
RS-232 / USB interface card