QT20.361

Q-Series

Oct. 2006 / Rev. 1.0 DS-QT20.361-EN

All parameters are specified at 36V, 13.3A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.

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Output voltage

nom.

36V

Adjustment range

min.

36-42V

Guaranteed, multi turn potentiometer

max.

45V

At clockwise end position of potentiometer

Factory setting

36.0V

±0.2%, at full load, cold unit

Line regulation

max.

10mV

320 to 552Vac

Load regulation

max.

100mV

Static value, 0A

13.3A

0A

Ripple and noise voltage

max.

100mVpp

20Hz to 20MHz, 50Ohm

Output capacitance

typ.

500μF

The energy of the bulk capacitor on the input side will be

transferred to the output to supply short load peaks.

Continuous power capability

Output current

nom.

13.3A

At 36V, see Fig. 8-1

nom.

11.4A

At 42V, see Fig. 8-1

Output power

nom.

480W

36V, continuous

nom.

480W

42V, continuous

Short-circuit current

min.

13.5A

Load impedance 50mOhm, see Fig. 8-1

max.

15.5A

Load impedance 50mOhm, see Fig. 8-1

BonusPower®, short term power capability (up to typ. 4s)

The power supply is designed to support loads with a higher short-term power requirement without damage or

repeatedly available. Detailed information can be found in chapter 27.1 .

Once BonusPower® has been stopped by the output power limiter, a timer disables the next BonusPower® capability.

The recovery timer will start as soon as the output voltage reaches the adjusted value again, which usually happens

after the load has been reduced.

Output current

nom.

20A

At 36V, see Fig. 8-1

nom.

17.1A

At 42V, see Fig. 8-1

Output power

nom.

720W

36V, short term

nom.

720W

42V, short term

Short-circuit current

min.

20A

Load impedance 50mOhm, see Fig. 8-1

max.

23A

Load impedance 50mOhm, see Fig. 8-1

Bonus time

typ.

4s

At 36V, 20A, duration until the output voltage dips,

min

3.5s

See Fig. 8-2

max.

4.5s

BonusPower® recovery time

typ.

7s

Overload free time to reset power manager, see Fig. 8-3

Peak current capability (up to several ms)

The power supply can deliver a peak current which is higher than the specified short-term current. This helps to start

current demanding loads or to safely operate subsequent circuit breakers.

The extra current is supplied by the output capacitors inside the power supply. During this event, the capacitors will

be discharged and causes a voltage dip on the output. Detailed curves can be found in chapter 27.2.

Peak current voltage dips

typ.

from 36V to 28V

At 26.6A for 20ms

typ.

from 36V to 28.5V

At 53.3A for 2ms

typ.

from 36V to 24.8V

At 53.3A for 5ms