Subaru Robin Power Products R1200 service manual Load Electric

calculate the power consumption of the device involved. The calculated power consumption is adjusted depending on the type of the load, and according to paragraphs from (1) to (3).

(Power consumption) = (Mechanical equivalent of a device) + (Efficiency)

Efficiency

Motors: 0.6 2. 0.8

Fluorescent lamps: 0.7 x0.8

Example: As for a 40 W fluorescent lamp with a lighting output of 40 W, and assuming that the power consumption of this lamp is 0.7, the power consumption can be calculated as follows:

40 + 0.7 = 57 W

Furthermore, as per paragraph (2), the power consumption is multiplied by a factor of

1.2to 2, producing a power consumption of 70 to 115 W. Therefore, with a generator having a rated output of 1000 W, 8 to 14 lamps can be used.

Example: In the case of a 200 W motor, the mechanical equivalent of the motor is 200 W. Assuming that the efficiency of the motor is 0.7, the power consumption is calculated

as 200 I 0.7 = 285 W. Similar to the above, the calculated power consumption is then multiplied as per (3)a, or (3)-a, taking into account the type of the motor used and the starting condition. The table below shows the range of loads applicable to the generator with 1000 W rated output.

Range of applicable

load

Electric

appliance

60 Hz

50 Hz

I

Incandescent

lamp,

electric

heater,

etc.

I

Up to

800 W

I

Upto

1ooow

I

Fluorescent

lamp,

mercury

lamp,

etc.

Up to

approx.

500

W

Up to

approx.

650

W

Motordriven

tools

etc.

Up to

approx.

500

W

Up to

approx.

600

W

Pump and compressor drive

motors

Up to

approx.

250

W

Up to

approx.

300

W

Note 1: With motor-driven tools specified in paragraphs (3) and (4), the generator of the said capacities are required only when starting the motors for the respective appliance. Once the motor has started, power necessary for normal running is only 1.2 to 2 times larger than the rated power, and the surplus capacity of the generator may be used for other electric appliances.

Note 2: As for the tools using the motors specified in paragraphs (3) and (4), the power requirement for starting the tools varies according to the types of motor and the load conditions at the time of starting.

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