Fuji Micro Genforce Baumr-AG BM-700i User Manual Download Page 14

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Petrol Powered Inverter Generators

E&OE

Operating the Generator

Allowing the generator to run when being overloaded may permanently damage it

and/or shorten its service life and may void product warranty

. • Ensure that the

generator is grounded (earthed) before using it. • Ensure that any device to be powered by the generator is

switched OFF before connecting it to the generator. • Ensure that all devices that will be powered by the

generator are electrically safe and functioning normally. If at any time a connected device appears to

malfunction, stop or slow down etc, immediately switch the generator and device OFF and disconnect the

device. • Do not exceed the rated power output of the generator. Consider the power rating for all connected

devices that will be running simultaneously, both AC and DC, and ensure that the sum of all power

consumption is no more than the generator rated output with consideration given to actual power output

based on altitude and temperature (see

Understanding the Rated Output

). For example, 2 x 1200W devices

will be acceptable for a 2.5kW rated output generator, however, will overload a 2kW unit. • Do not exceed the

rated current for the output socket. For example, do not connect a device that draws 15A to a 10A socket. • If

using an extension cable, ensure it is an approved type and has a minimum wire gauge of 1.5mm² up to a

cable length of 60m; 2.5mm² up to a cable length of 100m. • For appliances that place high "inductive" loads

when being started or stopped (for example, electric motors), consideration should be given to the rated

output of the generator and the required inductive load capacity. Rated output equates to approximately 45

to 75% of inductive load capacity. • Do not connect devices in parallel to the generator. • Devices sensitive to

input voltage fluctuation should be connected via a suitable surge protector.

Understanding Rated Output

The "rated output" is described as the maximum power that the generator can consistently and reliably

provide. The rated output of a generator is based around several factors including altitude, ambient

temperature and relative humidity. The specified rated output is calculated at an altitude of 0m, ambient

temperature of 25°C and relative humidity of 30%. Deviations from these values will affect the actual output

capacity of the generator. For example, if the generator is used at high altitude it will produce less power.
Basically, the higher the altitude, the warmer the ambient temperature and the greater the humidity, the less

power can be produced. The following table provides a guideline for calculating actual generator output

based on ambient temperature and altitude [note that humidity is ignored here as it has a marginal effect]:

Ambient Temperature (°C)

Altitude (m)

Power Output Coefficient

0.98

0.96

0.93

0.90

500

0.93

0.91

0.89

0.87

0.84

1000

0.87

0.85

0.82

0.80

0.78

2000

0.75

0.76

0.71

0.69

0.66

3000

0.64

0.62

0.6

0.58

0.56

4000

0.54

0.52

0.5

0.48

0.46

Examples:

•

At an approximate altitude of 1000m and 30°C ambient temperature, the power output coefficient is 0.85.

So, a rated output of 2.5kW becomes 2.5 x 0.85, which equates to an actual power output of 2.125kW.

•

At an approximate altitude of 2000m and 25°C ambient temperature, the power output coefficient is 0.75.

So, a rated output of 2.0kW becomes 2.0 x 0.75, which equates to an actual power output of 1.5kW.

•

At an approximate altitude of 3000m and 40°C ambient temperature, the power output coefficient is 0.58.

So, a rated output of 2.0kW becomes 2.0 x 0.58, which equates to an actual power output of 1.16kW.

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