AVR SX440 운영 매뉴얼 - 페이지 2

{카테고리_이름} AVR SX440에 대한 운영 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. AVR SX440 4 페이지. Generator automatic voltage regulator

페이지 인쇄

1. SPECIFICATION

Sensing Input

Voltage

190 ~ 264 VAC, 1 phase 2 wire

Frequency

50 / 60 Hz, selectable

Output

Voltage

Max. 90 VDC @ 207 VAC

Current

Continuous 4A

Intermittent 10A for 10 sec.

Resistance

Min. 15 ohm

Voltage Regulation

< ± 1% ( with 4% engine governing )

Voltage Build-up

Residual voltage at AVR terminal > 5 VAC

Thermal Drift

0.05% per

C change in AVR ambient

External Volts Adjustment

±8% with 1K ohm 1 watt trimmer

Unit Power Dissipation

Max. 12 watt

2. WIRING

1. K1, K2 : Field input external switch terminals.

Linked for normal operation.

2. P2, P3 : External power input terminals.

3. 3, 2 : Sensing input terminals.

4. 1, 2 : External VR terminals. Linked for useless.

5. X,XX : X connect to field (+), XX connect to field (-).

6. S1, S2 : Droop CT input terminal.

7. A1, A2 : VAR/PF controller input.

8. A, B, C : Link A, C for under 90KW.

Link B, C for 90 ~ 550KW.

Link A, B for over 550KW.

9. J1~J8 : Jump select terminals, 2-3,4-5,6-7. please

refer to Figure 2 and Figure 3.

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All manuals and user guides at all-guides.com

Under Frequency Protection (Factory Setting)

Soft Start Ramp Time

Analogue Input

Quadrature Droop Input

Dimensions

Weight

3. ADJUSTMENT

3.1 Voltage Adjustment

The generator output voltage can be altered by

adjustment of the volt VR on the AVR board, or by

the external trimmer (1KΩ) if fitted.

1. The terminals 1&2 must be linked if no hand

2. Before start the generator, please turn the Volt

3. Turn the stability trimmer on the AVR board to

4. Connect a voltmeter to generator output voltage

5. Start generator set and run on no load at nominal

6. If the red Led is illuminated, refer to the under

7. Carefully turn volt trimmer clockwise until rated

Set point 95% Hz

Slope 170% down to 30 Hz

2 sec.

Sensitivity

1V for 5% generator volts

Input Resistance

1K ohm

Max. Input

± 5 VDC

Burden

10 ohm

Max sensitivity

0.07 A for 5% droop (PF=0)

Max. input

0.33 A

150mm L * 135mm W * 40mm H

418g ± 2%

trimmer.

trimmer on the AVR board fully anticlockwise

Turn the external trimmer to midway position.

midway position.

terminals.

frequency 50 ~ 53Hz or 60~63Hz.

frequency roll off adjustment.

voltage is reached.

SX440