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SW Series

1.75-21KVA PROGRAMMABLE AC POWER SERIES

Specifications

OUTPUT

Power Factor of Load: 0 lagging to 0 leading

AC or DC Output Voltage: 0 to 156 VRMS L-N range 1; 0-312 VRMS L-N,

range2

Output Current Per Phase: 13A to 135V in 156V range; 6.5A to 270V in

312V range (per 1750 VA module) Note: Higher currents may be achieved in

10.5-21 kVA systems.

Crest Factor: 4.0 (peak output current to RMSoutput current)

Output Frequency Range: DC or 40 Hz to5 kHz. For output frequencies

greater than1 kHz, the max slew rate allowed is 1 kHzper second.

Output Power: 1750 VA: 1ø, 3500 VA: 1ø or 2ø, 5250 VA: 1ø or 3ø (systems

up to 21,000 VA)

Max Total Harmonic Distortion (Full LinearLoad or No Load): 0.25%

max, 40 to 100 Hz;0.5% max to 500 Hz; and 1% max to 1 kHz plus 1%/kHz to 5

kHz

AC Noise Level: >60 dB RMS below full output voltage

Amplitude Stability With Remote Sense:±0.1% of full scale over 24 hours at

constantline, load and temperature

Load Regulation: ±0.025% of full scale voltage for a full resistive load to no

load; above 1 kHz, add ±0.01%/kHz

Line Regulation (DC, or 40 Hz to 5 kHz):±0.025% of full scale for a

±10% input line change

Voltage Accuracy: ±0.1% of range. Above1 kHz, add 0.2%/kHz. Add ±0.1%

of full scale for “AC PLUS DC” mode. Valid for 5 to 156 VRMS and 10 to 312

VRMS at 25°C

Voltage Resolution: 0.05% of full scale

Frequency Resolution: 0.01 Hz: 40 Hz to 99.99 Hz,0.05 Hz: 100 Hz to 999.9

Hz, 0.5 Hz: 1000 Hz to 5000 Hz

Frequency Accuracy: ±0.01% at 25°C ±0.001%/°C

Phase Accuracy, Phase-to-Phase Balanced Linear Resistive Load:

±1°, 40 Hz to 1 kHz,plus ±1°/kHz above 1 kHz

Phase Angle Resolution: 0.1°

Remote Output Voltage Sense: 5 VRMS total lead drop, max

WAVEFORM SPECIFICATIONS

Wave shape Libraries: 50 factory supplied in ROM; storage available for up

to 50 user created in non volatile RAM

Front Panel Setups: A total of 50 user created steady-state waveforms, with

amplitude, frequency, phase angle and current limit parameters

Sequencing Library: 1000 user created segments stored in non-volatile

RAM. Segments include wave shape, amplitude, frequency, phase angle, time

(from 1ms to 1000 seconds), or number of cycles.

MIL-STD-704 Transient Library

MEASUREMENTS (OPTIONAL)

• Phase to Neutral RMS Output Voltages

• Phase to Phase Voltages

• 1ø to 3ø RMS Output Currents.

• Peak Current

• Output Frequency

• 1ø to 3ø Power

• 1ø to 3ø VA

• Power Factor of 1ø or 3ø Loads

• Output Phase Angles Relative to Phase A

Measurement Capability: 4.5 Digit Analog to Digital Measurement System

with .01% of full scale resolution unless otherwise noted. All accuracies

25°±5°C

Calibration Interval: 12 months

Operating/Accuracy Temperature Range:0°C to 45°C (32°F to 113°F)

Temperature Coefficient: ±500 ppm/°Coutside specified range

PHASE TO NEUTRAL RMS VOLTAGEMEASUREMENT:Valid for phases A,

B and C (use phase A for Parallel Mode)

Range: 0V to 350V plus sign bit for DC range

Accuracy: ±0.3% of range, DC or 47 Hz to1 kHz; ±0.5% of range, 40 to 47 Hz

and for1 kHz to 5 kHz

Phase to Phase RMS Voltage: Calculated from Phase to Neutral voltages

and phase angle

Range: 0V to 700V

Accuracy and Temperature Coefficient: The same as the Phase to

Neutral voltage

RMS CURRENT MEASUREMENT

Valid for phases A, B, and C (use phase A for Parallel Mode)

Range 1: 0A to 7.5A plus sign bit for DC range; 3ø mode, 312V range

Range 2: 0A to 15A plus sign bit for DC range; 3ø mode, 156V range

Range 3: 0A to 22.5A plus sign bit for DCrange; parallel mode, 312V range

Range 4: 0A to 45A plus sign bit for DC range; parallel mode, 156V range

Accuracy: ±1.0% of range, DC or 40 Hz to500 Hz; add ±1.5%/kHz above 500

Hz. Accuracies are specified for a max crest factor of 4.0.

Temperature Coefficient: ±500 ppm/°Coutside specified rangeNote: Contact

Powerbox for measurement range on 10.5 to 21 kVA system.