· Programmable 1 Phase and three phase output (EAC-303 / EAC-306)
· Built-in input active Power Factor Correction circuit (PF > 0.97)
· Adjustable AC output voltage 0 - 300V / frequency 40 - 1000HZ (EAC-303 / EAC-306)
· Large 240 X 64 Graphic LCD display
· Waveform distortion less than 1% on resistance load
· Enhanced crest factor. The rate is up to 3 : 1 at rating current output
· Fast recovering time, 0.4 milliseconds
· Line and load regulation maintains the output voltage within 1% of setting
· Programmable 50 memories and 9 steps per memory, for interconnection between each step to simulate different test conditions of the DUT (EAC-303 / EAC-306)
· Auto loop cycle, up to 999900 cycles (EAC-303 / EAC-306)
· For Aging or Life test on DUT, the user able to change the timer either in second, minute or hour (EAC-303 / EAC-306)
· Unique regulation function in providing capability to turn on high inrush current loads such as motors and compressors
· Capable to withstand inrush current up to 4 times of rated current and able to maintain 1000ms without protection
· Over Current Fold Back Mode (Response time < 1400mSec)
· Built-in PLC remote interface
· Protections and alerts for over current, short circuit, over voltage, over power, over temperature and reverse current
· Capable to set the starting angle, voltage dips, short interruptions and voltage variations (EAC-303 / EAC-306)
· Adjust voltage / frequency setting via Rotary Knob when output is turn ON
· Optional GPIB, RS232 & USB, Ethernet interface (EAC-303 / EAC-306)
· AC and DC output selection to fulfill the test application needs in several power modes (EAC-303 / EAC-306)
· Comprehensive measurement of V, Irms, Ipk, W, VA, VAR, PF, CF of current etc. (EAC-303 / EAC-306)
· Memory and keypad lock functions with password setting
EAC-303 | EAC-306 | EAC-303S | EAC-306S | ||||
INPUT | |||||||
Phase | 1Ø | 1Ø or 3Ø | 1Ø | 1Ø or 3Ø | |||
Voltage | 200 - 240Vac ± 10% | 1Ø : 200 - 240Vac ± 10% | 200 - 240Vac ± 10% | 1Ø : 200 - 240Vac ± 10% | |||
3Ø3W : 200 - 240Vac ± 10% | 3Ø3W : 200 - 240Vac ± 10% | ||||||
3Ø4W : 346 - 416Vac ± 10% | 3Ø4W : 346 - 416Vac ± 10% | ||||||
Frequency | 47 - 63Hz | ||||||
Max. Current | 23A | 1Ø : 45A | 23A | 1Ø : 45A | |||
3Ø3W : 26A | 3Ø3W : 26A | ||||||
3Ø4W : 15A | 3Ø4W : 15A | ||||||
Power Factor | 0.97 | ||||||
AC OUTPUT | |||||||
Max. Power | 1Ø2W | 3000VA | 6000VA | - | - | ||
1Ø3W | 2000VA | 4000VA | - | - | |||
3Ø4W | 3000VA | 6000VA | 3000VA | 6000VA | |||
Max. Current (r.m.s)*1 | 1Ø2W | 0-150V | 27.6A | 55.2A | - | - | |
0-300V | 13.8A | 27.6A | - | - | |||
1Ø3W | 0-150V | 9.2A | 18.4A | - | - | ||
0-300V | 4.6A | 9.2A | - | - | |||
3Ø4W | 0-150V | 9.2A | 18.4A | 9.2A | 18.4A | ||
0-300V | 4.6A | 9.2A | 4.6A | 9.2A | |||
Inrush Current (peak) | 1Ø2W | 0-150V | 110.4A | 220.8A | - | - | |
0-300V | 55.2A | 110.4A | - | - | |||
1Ø3W | 0-150V | 36.8A | 73.6A | - | - | ||
0-300V | 18.4A | 36.8A | - | - | |||
3Ø4W | 0-150V | 36.8A | 73.6A | 36.8A | 73.6A | ||
0-300V | 18.4A | 36.8A | 18.4A | 36.8A | |||
Phase | 1Ø2W, 1Ø3W, 3Ø4W | 3Ø4W | |||||
Total Harmonic Distortion (THD) | <0.5% (Resistive Load) at 40.0 - 70.0Hz and output voltage within the 80 - 140Vac at Low Range or the 160 - 280Vac at High Range. | ||||||
<1% (Resistive Load) at 70.1 - 1000Hz and output voltage within the 80 - 140Vac at Low Range or the 160 - 280Vac at High Range. | |||||||
Inrush Current | ≧4 | ||||||
Crest Factor | ≧3 | ||||||
Line Regulation | ± 0.1V | ||||||
Load Regulation (Hardware) | ± (1% of output +1V) at Resistive Load , < 400μS response time | ||||||
Load Regulation (Software) | ± 0.2V, < 1s response time | ||||||
DC offset | ≦ ±5mV | ||||||
SETTINGS | |||||||
Voltage | Range | 1Ø2W | 0.0 - 300VAC, 150 / 300V Auto Range | - | - | ||
1Ø3W | 0.0 - 300 VAC (phase), 0.0 - 600 VAC (line), 150 / 300V Auto Range | - | - | ||||
3Ø4W |