Mover Parts AVR MX341 Automatic Voltage Regulator for Generator with 1 Year Warranty
R 3,042
or 4 x payments of R760.50 with
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Delivery: 10-20 working days
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Mover Parts AVR MX341 Automatic Voltage Regulator for Generator with 1 Year Warranty
MX341 is a two phase sensed Automatic Voltage Regulator(AVR) and forms part of the exciation system for a brush-less generator. Excitation power is derived from a three-phase permanent magnet generator(PMG),to isolate the AVR control circuits from the effects of nonlinear loads and to reduce radio frequency interference on the generator terminals.sustained generator short circuit current is another feature of the PMG system.
The AVR senses the voltage in the main generator winding and control the power fed to the exciter stator and hance the main rotor to maintain the generator output voltage within the specified limits,compensating for load sprrd,temperature and power factor of the generator
The AVR has the faclity for droop CT connection,to allow parallel running with other similarly equipped generators
Specification: SENSING INPUT Voltage 190-264V ac max, 1 phase 2 wire Frequency 50-60HZ nominal POWER INPUT Voltage 140-220 V ac max, 3 phase,3 wire CURRENT: 3A/phase Frequency 100-120HZ nominal OUTPUT Voltage max 120V dc Current continuous 2.7A dc Intermittent 6A for 10 secs Resistance 15 ohms minimum REGULATION:+/-1% THERMAL DRIFT 0.03% per deg.C change in AVR ambient SOFT START PAMP TIME 3 sec TYPICAL SYSTEM RESPONSE AVR respone 10ms Filed current to 90% 80ms Machine Volts to 97% 300ms EXTERNAL VOLTAGE ADJUSTMENT +/-10% with 1k ohm 1 watt trimmer UNDER FREQUENCY PROTECTION Set point 95%HZ Slope 170% down to 30HZ UNIT POWER DISSIPATION 12 watts maximum ANALOGUE INPUT Maximum input +/-5V dc Sensitivity 1V for 5% Generator Volts(adjustable) Input resistance 1k ohm QUADRATURE DROOP INPUT 10 ohms burden Max.sensitivity:0.07A for 5% droop OPF Max.input:0.33A OVER EXCITATION PROTECTION: Set point:75vdc Time relay:10sec Environmental Vibration 20-100HZ 50mm/sec 100Hz 2kHz 3.3g Operating temperature -40 to +70 C Relative Humidity 0-70C 95% Storage temperature -55 to +80 C