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Download Zenone Frequency and Voltage Converter Datasheet
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Three-phase frequency and voltage converters for manual and automatic test benches and measurements labs These are very robust and low cost equipments developed especially for intensive use on production and testing lines, are used also in research and development labs. FVC series static converters provide a symmetrical and balanced system of three-phase sinusoidal voltage with the possibility to vary output voltage and frequency. With them it’s possible to test equipments that can not be supplied by conventional mains grid; they allow to create patterns of voltage suitable for testing the limits of operation or they can be simply used as voltage regulator equipments. Are devices suitable for medium and high power applications and their price/performance is very convenient. They provide a sinusoidal waveform output with low harmonic distortion of less than 3% even in the presence of asymmetrical loads. They can work with resistive, inductive and capacitive loads. The presence of electromechanically selectable output scales allows to adapt the equipment to different requirements, this allows to use all the power at various full scales without having to penalize heavily the power output. The output voltage is continuously adjustable from 0 to fs, the feedback is done on each single phase and it’s possible to have the external sensing to compensate for the drop on cables. The voltage accuracy is 2% and the recovery time for a 50% load change is about 2mS. The output frequency, in the standard models, ranges from 40Hz to 80Hz continuously adjustable in increments of 0.1 Hz (on request it’s possible to have equipments from 10Hz up to 800Hz). They consist of a power section that supplies the power and a microprocessor control section through which it’s possible also to change the control parameters to match the load. The converters generate a three-phase system, but it’s possible to take the single-phase using the neutral or two phases (clearly with reduced power). Commands The converters can be controlled: locally by means of potentiometers and buttons remotely via analog and digital I / O remotely via RS485 serial interface Measurements provided: Output voltage on the three phases Output current on the three phases Output Frequency Standard equipment: Voltage and frequency adjustment potentiometers LED display shows current, voltage and frequency Line MCB Local/remote control Digital control inputs Analog control inputs Emergency circuit General Characteristics: Main supply 230V 3F or 400V 3F +/- 15% Assemblage in cabinet and on request wheeled cabinet Input / Output Isolation output / ground Isolation Available voltage ranges from 30V to 1000V Available powers range from 1.5 KVA to 1.000KVA Protection from: short-circuit, overload, over temperature, regeneration, mains out of range Applications: General power supply for electrical equipments stabilizers or voltage regulators Frequency converters Electronic variac Using "FVC Manager" software it’s possible to control them from remote via PC