SAN-AVR general excitation voltage controller

General excitation voltage controller

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Product description

SAN-AVR is a system for supervision and regulation of a generator synchronous with an exciter. This system adjusts three-phase generator output voltage through appropriate change of field current of the exciter. Digital adjustment enables correct operation of the generator at non-linear loads, such as LED rectifiers. A wide range of supply voltages allows operation on an external battery.

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Features

Measurement and adjustment of three-phase output voltage of the generator
Wide range of supply voltages that allows for power supply from, e.g., 24 V battery
Measurement of electrical values of the generator such as output voltages and currents, supply voltage, excitation current
Measurement of temperature of generator bearings and winding
Generator overload and short-circuit protection
Over-current protection
Temperature protection of generator windings and bearings
External communication via CANOPEN protocol, measurement readout and excitation control

Technical specifications

ELECTRICAL PARAMETERS
Supply voltage

16V-30 V

Input current

17A-10 A

Output voltage

24V-30 V

Output current

10 A

Generator operating modes

S1 – S up to 500 kVA (continuous) up to 5.1 A
S2 – S up to 750 kVA (for 60 min) up to 7.5 A
S3 – S up to 900 kVA (for 5 min) up to 9.5 A
SZ – short circuit condition (for 5 s) up to 10 A

Electric generator voltage adjustment

+-5%

Time of response to a load increase

~5 s

Time of response to a load drop

~5 s

MECHANICAL PARAMETERS
Housing system type

APS housing

Housing protection class

20 IP

Housing attachment

Fastening using 2 x M6 screws

Cabling connection

Going out from the housing

Dimensions (W x D x H)

284x350x80 mm

Colour

Galvanised steel

ENVIRONMENTAL CONDITIONS
Ambient temperature

From -30 to +40°C

Storage temperature

From -25 to +65°C

Location

The enclosure accessible from the front by unscrewing the cover

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