- Robin Generator Service Manual

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

1.2 to 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.

Electric appliance

Range of applicable load

50 Hz

60 Hz

Incandescent lamp, electric heater, etc.

Up to 800 W

Upto 1ooow

Fluorescent lamp, mercury lamp, etc. Up to approx. 500 W

Motordriven tools etc.

Up to approx. 500 W

Pump and compressor drive motors Up to approx. 250 W

Up to approx. 650 W

Up to approx. 600 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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