12 | SAMLEX AMERICA INC.
The power rating of inverters is specifi ed as follows:
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during start up of certain AC appliances and devices.
Please read details of the above two types of power ratings in Section 2.1 under
“DEFINITIONS”
i
INFO
The manufacturers’ specifi cation for power rating of AC appliances and devices
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short duration surge of power required during start up of some specifi c types
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manufacturer. This may not be possible in all cases and hence, can be guessed
at best, based on some general Rules of Thumb.
Table 2.1 provides a list of some common AC appliances / devices that require high, short
duration surge of power during start up. An “Inverter Sizing Factor” has been recom-
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Continuous Running Power Rating (Active Power Rating in Watts) of the AC appliance
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mum Continuous Running Power Rating of the inverter.
TABLE 2.1: INVERTER SIZING FACTOR
Type of Device or Appliance
Inverter
Sizing Factor
(See note 1)
Air Conditioner / Refrigerator / Freezer (Compressor based)
5
Air Compressor
4
Sump Pump / Well Pump / Submersible Pump
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2
Furnace Fan
Industrial Motor
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4
Switch Mode Power Supplies (SMPS): no Power Factor correction
2
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4 (See Note 2)
SECTION 2 |
General Information