GAC LSM201 Manual - Página 8

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BEFORE STARTING ThE ENGINE

LETHAL HIGH VOLTAGE is present at Terminals 1, 2, & 3. do not disconnect the CT wiring (Terminals

4, 5, 6, 7, 8, 9) when the generator is operating.

Once the LSM200 Series is connected into the system per the appropriate wiring diagram, the following adjustments can be made in

the following order.

Pre-checks

Current transformer phasing

load sharing adjustment

Load anticipation adjustment

Reverse power adjustment

Forward power Monitor adjustment

Power meter operation

PRE-CHECKS

The following pre-checks must be made before starting engine:

With the Reverse Power reset jumper or switch in place at Terminals 18 & 19, set the following:

ADjUStMENt

Reverse Power

Reverse Power Relay

Forward Power "On"

Forward Power "OFF"

Forward Power Delay

Load Sensitivity

Load Anticipation

External Power Meter Cal

ILC Load Ramp

Generator Power Ramp

Generator Power Adjust

Generator Power Display Cal

Measure the following voltages at these terminals in this order with DC power applied to the unit.

tERMiNAl

31 (+) to 23 (-)

Internal Power Supply

12 (+) to 23 (-)

Output to Governor

Apply AC voltages to unit (run engine at no load)

tERMiNAl

TPI1 (+) to TP2 (-)

32 (+) to 33 (-)

CURRENt tRANSFORMER PHASiNG

Test for Phasing:

With a DC meter across TP1 (+) and TP2 (-), apply a small amount of load to the generator and note the voltage reading and polarity.

With a large gauge jumper wire, short out each CT signal (Terminals 4 to 5, 6 to 7, 8 to 9) one at a time.

If the short is of low resistance, a 1/3 drop in voltage at the test points will be measured.

If the drop is not near 1/3 or the voltage increases, the CT / AC line voltage phasing is improper and must be corrected in the wiring.

POSitiON

Full CCW

100

Full CCW

100

vOltAGE MEASUREMENt

Generator Power Signal

Internal Power Meter

SEttiNG

Approx. 5%

Fastest

100%

Fastest

Most Sensitive

Max. Range

Approx. 4 Sec.

5 Amps = Full Scale

vAlUE

10.6 ± 0.2 V DC

5.0 ± 0.1 V DC

vAlUE

0 ± 0.2 V DC

LSM200 Series Load Sharing Modules 6-2021-B1 PIB4100