Delta Electronics MVF2000 Series, Product Manual

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
The electric connections between the cabinets use highly reliable connectors which are
easy to install and maintain.

Friendly human-machine interface, easy to operate.

Sufficient communication interfaces, which can be professionally configured in
accordance with the application requirements.

All PCBs are coated to avoid problems with pollution and corrosive environment.
1-2 Major Application
The MVF2000 series is applied for speed control of square torque loads such as fans,
pumps, and compressors, as well as for mills, crushers, and conveyor belts that require
constant torque operation over the entire speed range. Accurate speed and torque controls
result in better energy saving, improved process quality, and prolonged equipment lifetime.
Various industry segments that require reliable and stable operation can benefit from
MVF2000
’s high performance:

Power Generation: coal mills, blower fans, and water pumps.

Metallurgy: conveyor belts, positive displacement pumps, fans, and water pumps.

Mining: crushers, conveyor belts, PD pumps, fans and water pumps.

Petrochemical: compressors, PD pumps, centrifugal pumps, fans and water pumps.

Cement & Materials: crushers, mixers, extruders, rotary kilns, drying furnaces, fans and
water pumps.

Sugar & Ethanol: mills, pumps, and fans.

Municipal works: water supply pumps, sewage pumps, heat network pumps.
1-3 Technical parameters
MVF2000
System technology IGBT-based cascaded power cell connection technique
Efficiency
>98.5% at rated speed and rated input voltage; excluding
transformer
Input
Voltage range
-10% to +10% (normal operation); -10% to -30% (derated
continuous operation)
Frequency 50Hz (-2% to +2%)
Control power
Default with single phase 220 Vac.
Option with single phase 600, 480, 400, 347, 277, 240, 208 or
120 Vac
Input current distortion Meets IEEE519 standard, without input filter
Power factor >0.96 (at rated)
Output
Voltage 3.3kV, 6.6kV, 11kV
Frequency range 0.5~75Hz
Overload capacity 110% per min/10 min.
Start-up torque 130% rated torque (standard)
Speed regulation range 1%~100% (with speed sensor),