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Zhejiang New Folinn Electric Co., Ltd.
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Folinn - Model BD330 Series - General ...

Folinn - Model BD330 Series -General Purpose Inverters

FromZhejiang New Folinn Electric Co., Ltd.

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BD330 is the newest high-performance open-loop inverter based on DZB300. It has superior performance and rich functions with elegant appearance; heat dispersion is good, and the volume is smaller with a more reasonable design; the configuration is flexible that it can meet different demands of customers.

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voltage control

voltage controller

low voltage inverter

boiler equipment

energy engineering

Two control modes：non-PG vector control（SVC）、V/F control
Multistage V/F curve setting function
Pull-in torque：non-PG vector control（SVC）0.5Hz could reach 150%
Internally installed PID control function that could implement close-loop constant temperature and constant voltage control.
Multiple frequency setting is supported：digital set, analog quantity set, PID set, RS485communication set.
Free programming is available for I/O terminal and could combine various work patterns according to users’ need.
It’s equipped with control function of hopping frequency, and could actively suppress mechanical resonance to make system more stable and reliable.
It’s equipped with maintaining function in cases of instant power down so that it helps avoid influencing production caused by instant power down.
Detection function for torque rich and less torque.
Switch function of main and auxiliary frequency, run command, and on the spot and long-distance.
Automatic voltage adjustment function that could effectively solve low frequency oscillation problem of high-power motor.
Provide protection functions for many malfunctions: omnibearing real time monitoring and protection of overcurrent, overvoltage, undervoltage, superheat, overload, phase loss to ensure safe running.
0.75~15kW internally installed brake unit. It just needs to add a brake resistor to implement fast stop.
Higher than 7.5kW. Internally installed trace function of revolving speed that could realize shock-free smooth start to the rotating motor.
Modular design that could be configured with various expansion cards.
16 speeds. Time for each acceleration and deceleration is adjustable.

Metal processing, numerically-controlled machine tool, drawbench and other mechanical equipment.
Boiler fan, induced draft fan, exhaust blower underground coal mine.
Municipal engineering, energy conservation transformation for central air-conditioning.
Cyclone cluster, centrifugal fan, etc.
Circulating water pump, make-up pump, oil field injection pump, fuel delivery pump, music fountain.
Papermaking equipment, chemical industry, pharmaceutical industry, textile industry, etc.