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MaxPower Corp GE VH Series User Manual

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Technical Data Sheets VH700-2000VA UL

Output converter (inverter)

Input voltage range

Vdc 200-220

Nominal output power at PF=0.9

VA

700

1000

1500

1920

Nominal output power with resistive load

W

630

900

1350

1740

Nominal AC output voltage

Vac 120

Output voltage waveform

sine wave

Output voltage tolerance:

- static resistive load

< 1%

- dynamic mean deviation over half cycle

(load step 0-100-0%)

< 2%

- with measured non-linear load 2.5:1

< 2%

- recovery time to +/-1%

2ms

Overload capability (battery operation)

110% during 4 minutes, 150% during 2 seconds

Short circuit current capability (app. 200ms)

2.1 times nominal current during app. 200 ms

Output frequency

50/60 Hz auto selectable ( Default 60 Hz during cold start )

Output frequency tolerance

± 0.05% nominal, unless synchronized with mains

Frequency tracking range

± 10% default ( ± 2% selectable )

Max. phase shift difference input-output

< 1º typical ( max. 7º during tracking frequency range )

Harmonic distortion with linear load

< 1%

Harmonic distortion with non-linear load

< 6%

Power factor range

0.7 to 1 (Lag & Lead)

Crest factor handling capability of non-linear load

Up to 3:1

Output power derating altitude

Up to 1000m no derating

Above 1000m 12.5% per 1000m, max. 4000m

Protection

Automatic transfer to bypass (if available)

In case of:

- internal circuit failure

- over temperature

- overload / short circuit

Output protected against connection to the mains

Inverter bridge

PWM and IGBT technology

Bypass

Primary Element

Static switch

Bypass voltage limits

-15% to +10% of selected output voltage

Frequency tracking range

± 10% default (± 2% selectable) of selected output frequency

Slew rate

2 Hz/sec

Overload capability on bypass

120% ≥ 3min. 150% ≥ 1 min

Interfacing

Potential free contacts (optional)

Four change-over contacts signalling following alarms:
- bypass active
- mains failure
- battery low
- general alarm (programmable)

Input terminals for

- Remote Power Off
- Battery extension pack DC connector


Note: all indicated values are typical. Variations may be found from one unit to another.