APC 10-30 KVA Installation Manual download pdf (Page 7)

20 kVA - 80 kVA UPS

User’s and Installation Manual

1015543

Revision D

Efficiency Optimizer

In addition to the traditional on-line operation mode this UPS features the Efficiency Optimizer

function - a new feature adding real cost effectiveness to the UPS. It minimises the power loss

and reduces power consumption. The UPS automatically switches between bypass and on-line

mode according to the utility power condition. Whenever there are imperfections in the mains

supply the UPS feeds power in on-line mode. When mains power is smooth and free from

disturbances the UPS switches automatically to bypass mode for maximum efficiency. If needed,

UPS detects all mains imperfections in a fraction of a second and turns back to on-line mode. As

a result the UPS reaches up to 98% average efficiency. The Efficiency Optimizer function is

standard in this UPS and can easily be activated via the serial interface port during initial start up

by the service engineer. The UPS can of course run permanently in traditional on-line mode if

prefered. All models of 20 - 80 kVA UPSs run in the traditional on-line mode as default.

2.2 System configuration

The UPS system consists of the UPS device itself and the external backup battery. In

addition, several options may be included in the system. The options are used to tailor a

matching solution to fulfil the site and load requirements of the installation.

The main considerations in planning the UPS system are:

• The UPS output power rating (VA) shall be specified according to the total power demand of

the protected system. Some margin should be allowed for potential expansion of the

protected system, and for possible inaccuracy in calculating or measuring the actual power

requirement.

• The battery shall be sized according to the desired backup time. Note that the backup

time is longer if the load is less than the nominal power rating of the UPS.

The following options are available:

• Output isolation transformer

• 10% input filter (THDI)

• External battery cabinets

• Remote display unit (ViewUPS)

• Alarm extension unit

• LanQuattro

• Connect UPS (SNMP adapter)

Table 1. describes UPS equipment backup times of battery options related to the UPS ratings.

Table 1.

The backup times are for standard batteries and long life batteries.

The backup times indicated in parentheses are for units with battery banks of 32 pcs battery

system.

See the dimensions of the UPS series and different battery options in figure 2.

rewoptuptuOSPUseirettaBlanretnIDTABETABFTABETABx2

Wk41/AVk02SPUnim)7(21nim52nim54nim09nim011

Wk12/AVk03SPUnim7nim51nim82nim55nim56

Wk82/AVk04SPU- nim01nim91nim53nim54

Wk53/AVk05SPU- nim7nim31nim52nim53

Wk24/AVk06SPU--nim01nim02nim82

Wk65/AVk08SPU---nim11nim51

1 2 3 4 5 6 7 8 9 10 11 12 ... 39 40

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APC 10-30 KVA Installation Manual Page 7

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