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Specification
AgeRangeDescription : adult
Brand : DWFSKZKV
Color : R448
ExternallyAssignedProductIdentifier : 9425679059240
ItemName : DWFSKZKV AVR R448 Diesel Generator AVR Controller Automatic Voltage Regulator
ItemPackageDimensions_Height : 1 centimeters
ItemPackageDimensions_Length : 3 centimeters
ItemPackageDimensions_Width : 2 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : process-controllers
Manufacturer : DWFSKZKV
Material : Copper
ModelName : DWFSKZKV
ModelNumber : DWFSKZKV
NumberOfBoxes : 1
NumberOfItems : 1
PartNumber : DWFSKZKV
ProductDescription : AVR R448
Diesel Generator
AVR Controller
Automatic Voltage Regulator
DESCRIPTION:
The circuitry of the R448 Automatic Voltage Regulator (AVR) provides closed loop control of the alternator output voltage by regulating the exciter field current. The primary winding has a voltage in ratio to that of the alternator (characteristic shunt), the next has a voltage in proportion to the stator current (compound characteristic: booster effect). Which is powered by two auxiliary windings which are independent of the voltage equal circuit. The power supply voltage is rectified and filtered before being used by the AVR monitoring transistor. With PMG excitatioin, a permanent magnet generator (PMG) added to the alternator supplies the AVR with voltage which is free of the main alternator winding. This is built-in at the rear of the machine and connected to the R448 AVR, and the ST9 jumper must be disconnected.
Feature:
AVR
R448
Sensing voltage
terminal 0-110V=95-140V terminal 0-220V =170-260V terminal 0-380V=340-520V
Frequency
50-60Hz
Voltage input
40-50VAC, 3 phase
Harmpnic auxiliary winding
6-150VAC (no-load rms)
Output Voltage
max 160VDC at 120VAC input
Current
max 10A
Resistance
15 minimum
Regulation
+/-5% RMS with 4% engine governing
Voltage build-up
Residual voltage at avr terminal5VAC
External Voltage Adjustment
+/-10% with 1k ohm 1 watt trimmer
Generator Power
50-300kw

Sensing input Voltage
110/220/400VAC , 1 phase 2 wire
Power Input voltage
100-260VAC , 1 phase 2 wire
Output voltage
max 90 VDC at 240VAC input
Current
Continuous 3 A , intermittent 5A for 10secs
Resistance
Min.15 ohm , Max 100ohm
Voltage Build-up
residual voltage at avr terminal >5VAC
Voltage Regulation
<;±1% with 4% engine governing
Operating Temperature
(-40°C to +60°C
Storage Temperatue
(-65°C to +85°
ProductSiteLaunchDate : 2024-05-03T08:26:11.959Z
Size : One Size
UnitCount : 1
UnspscCode : 52140000