SX440 avr power electronic voltage regulator switch diesel generator spare parts | Обустройство дома



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SX440 avr power electronic voltage regulator switch diesel generator spare parts | Обустройство дома

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Описание товара

SX440 avr power electronic voltage regulator switch diesel generator spare parts | Обустройство домаSX440 avr power electronic voltage regulator switch diesel generator spare parts | Обустройство домаSX440 avr power electronic voltage regulator switch diesel generator spare parts | Обустройство домаSX440 avr power electronic voltage regulator switch diesel generator spare parts | Обустройство домаSX440 avr power electronic voltage regulator switch diesel generator spare parts | Обустройство дома


Diesel Generator avr sx440 for Stamford Cummins Weichai DECC

Description

In addition to regulating the alternator voltage,the avr circuitry includes under-speed and sensing loss protection features.Excitation power os derived directly from the generator terminals.

Positive voltage build up from residual level is ensured by the use of efficient semiconductors in the power circuitry of the avr/
The avr is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulator of +/-1.0%.

In addition to being powered from the main stator,the avr also derives a sample voltage from the output windings for coltage control purposes.In response to this sample voltage,the avr controls the power fed to the exciter field,and hence the main field,to maintain the machine output voltage within the specified limits,compensating for load,speed,temperature and power factor of the Alternator.

Features

  • Voltage Regulation < ±1%

  • Soft Start Voltage Ramping

  • Sensing Voltage Loss Protection

  • 120 or 240 VAC Sensing, Jumper Selectable

  • Under Frequency Roll Off Protection

  • With Under Frequency LED Indicator

Sensing Input

Terminal 0-110V = 90~150V
Terminal 0-220V = 175~260V
Terminal 0-380V = 350~520V

Power Input

Voltage 100~264 VAC, Single Phase

Output

Voltage Max. 90 VDC at 207 VAC
Current Continuous 4 ADC, Intermittent 10A for 10 sec.

Thermal Drift

0.05% per °C change in AVR ambient

DROOP Input

Max. input 0.33A
Burden 10 Ω
0.07A for 5% droop (PF=0)

Under Frequency Protection

U/F Potentiometer 45~60 Hz

Voltage Regulation

< ± 1% (with 4% engine governing)

External Volts Adjustment

±8% @ 1 KΩ

Voltage Build-up

Residual volts at AVR terminal > 5 VAC

EMI Suppression

Internal Electromagnetic Interference Filtering

Exciter Resistor

DC Resistance 20~100 Ω

Analogue Input

Max. Input ±5 VDC Input Resistance 1 KΩ
1V for 5% generator volts

Unit Power Dissipation

Max. 12 Watt

Environment

Vibration : 1.5 G @ 5~30 Hz , 5.0 G @ 30~500 Hz
Relative Humidity : < 95%
Operating Temperature : -40~60 °C
Storage Temperature : -40~85 °C

AVR Controls Functions

VOLT : Voltage Adjustment
STAB : Stability Adjustment
U/F : UFRO Knee Point Set (U/F: Under Frequency Protection)
DROOP : Droop Adjustment
TRIM : Analogue Input Adjustment
DIP : U/V Rate Set



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