Technical Information

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Panel Cooling Units

Series Top

List of heat generation of devices inside panel

 (1) Types of power supply and transformers

Machines housed inside control panel Heat generation quantity (criterion value) Remarks
Small transformer

Rated capacity

~About 10VA...50%

~About 100VA...20%

~About 1kVA...6%

~About 3kVA...3~5%

・Smaller the size, higher is the heat generation ratio.

Big transformer

(Oil-immersed transformer)

  50Hz 60Hz

・1φ =single phase

・3φ =3-phase

・Unit (W) Expressed by heat generation quantity.

1φ10kVA 190 180
1φ20kVA 350 340
1φ30kVA 470 460
1φ50kVA 720 720
1φ75kVA 1080 1050
1φ100kVA 1420 1380
1φ150kVA 1840 1800
1φ200kVA 2430 2370
1φ300kVA 3530 3550
3φ20kVA 440 410
3φ30kVA 610 590
3φ50kVA 920 910
3φ75kVA 1290 1260
3φ100kVA 1690 1660
3φ150kVA 2390 2370
3φ200kVA 3040 3030
3φ300kVA 4150 4010
3φ500kVA 6170 6060
Voltage regulator About 10 % of the rated capacity  
Big resistor About 1/3 of the rated capacity  
Constant voltage power supply About 10~15% of the rated capacity  

Uninterrupted power supply unit

(UPS)

rated capacity

1~5kVA...About 101~5%

30kVA...About 15~20%

・Heat generation quantity is the value when rechargeable battery is charged.

・Normal inverter power feeding type.

*Heat generation quantity is constant in normal inverter power feeding type irrespective of whether load is presence or absent.

Direct current stabilized power supply

(switching regulator)

About 30 ~ 55% of the rated output(W)

・Heat generation quantity when rated output is 100 %.

・Smaller the size, higher is the heat generation ratio.

Example When 100mA and

24V

0.1A × 24V

= 0.24W

(rated output)

Low-voltage capacitor About 0.2 % of low pressure condenser rated capacity (kVA)

・Rated capacity is kVA.

・Reference (1kVA=253.3μF)

(2) Types of amplifiers
Machines housed inside control panel Heat generation quantity (criterion value) Remarks
AC servo amp

Rated capacity

~0.1kW...About 50%

~0.5kW...About 15%

~1kW...About 10%

~3kW...About 7%

~5kW...About 5%

~11kW...About 4%

~22kW...About 3.5%

 ・heat generation quantity when rated output per amp is 100 %.
・Smaller the size, higher is the heat generation ratio.
Inverter

~ 0.4kW...About 12.5%

~0.75kW...About 11%

~1.5kW...About 7.5%

~2.2kW...About 6%

3.7 ~ 15kW...About 5%

18.5 ~ 22kW...About 4.5%

Above 30kW...About 4%

Above 60kW...Inquire

・Heat generation quantity when rated output is 100 %.

・Smaller the size, higher is the heat generation ratio.

・At the time of continuous rated output

・In case of big inverter of more than 60kW, inquire about the heat generation quantity with the manufacturer.

Thyristor

(APR-G)

Rated current Single phase 3-phase

・Heat generation quantity indication.

・3-phase thyristor has higher heat generation quantity.

20A 50W 115W~
45A 80W 210W~
60A 100W 265W~
100A 160W 410W~
150A 220W 575W~
250A 270W 795W~
450A 500W 1435W~
600A 670W 1980W~
Power unit
(For servo amp)
About 3 ~ 5% of the rated output (kW)  ・Heat generation quantity when rated output is 100%.
(3) Machines used for wiring
Machines housed inside control panel Heat generation quantity (criterion value) Remarks

Interrupter switch for wiring(MCCB)

Earth leakage circuit breaker(ELCB)

Interrupter switch for wiring(MCCB)

Rated current

~ 20A...About 5W

~ 50A...About 15W

~ 100A...About 35W

~ 225A...About 55W

~ 400A...About 85W

Earth leakage circuit breaker(ELCB)

MCCB About +5~20W

(Leakage electronic circuit part etc.)

・Heat generation quantity when rated current is 100 %.*kVA=1kW
Electromagnetic contactor


Rated capacity

~ 4kW...About 10W

~ 7.5kW...About 20W

~ 22kW...About 55W

~ 30kW...About 110W

・Heat generation quantity when rated current is 100 %.
Thermal overload relay(Thermal)

rated current 

~ 35A...About 4W / more
~ 100A...About 8W / more
~ 150A...About 10W / more

・Heat generation quantity when passing set current maximum value.
Electromagnetic contactor About 5W ・Heat generation quantity when rated current is 100 %.
(4) Machines used for control
Machines housed inside control panel Heat generation quantity (criterion value) Remarks
Small relay About 1 ~ 2W per unit  
Solid state relay(SSC, SSR) Used current ×1.6(W)  
Temperature regulator

48×96 size About 5W

96×96 size About 10W

 
Sequencer About 3 % of the consumed power  
(5) Computer devices
Machines housed inside control panel Heat generation quantity (criterion value) Remarks
Personal computer main unit
(Factory computer)
Approximately rated consumed power  
CRT (monitor) Approximately rated consumed power ・Bigger the size (number of inches), higher is the heat generation quantity.
Floppy disks

For 2 floppy disks 3.5~5 inches

About 20W

 
Fixed disk

10~20M bytes

About 100W

・With power supply
(6) Other
Machines housed inside control panel Heat generation quantity (criterion value) Remarks
Fan motor

90×90 size

About 10W

120×120 size

About 15~20W

160×160 size

About 40~50W

・AC axial current multi-purpose motor
(7) Power system controller - (1)
Housing machine Heat generation quantity (Criterion value) Remarks

Big AC

Servo amp 200V system

Rating 22kW... 742W

Rating 30kW...1052W

Rating 37kW...1820W

・General criterion value
Inquire manufacturer for details.

Big AC

Servo amp 400V system

Rating 22kW... 770W

Rating 30kW...1090W

Rating 37kW...1260W

Rating 45kW...1560W

Rating 55kW...1840W


(7) Power system controller - (2)
Housing machine Heat generation quantity (Criterion value) Remarks

Inverter auxiliary machine

Control resistor

Control unit 200V system

Rating 3.7kW…0.19kW

Rating 5.5kW…0.28kW

Rating 7.5kW…0.38kW

Rating 11kW…0.55kW

Rating 15kW…0.75kW

Rating 18kW…0.93kW

Rating 22kW…1.1kW

Rating 30kW…1.5kW

Rating 37kW…1.9kW

Rating 45kW…2.3kW

Rating 55kW…2.8kW

Rating 75kW…3.8kW

Rating 90kW…4.5kW

Rating110kW…5.5kW

 ・When control torque is 100% and
braking frequency is 5%, mainly motor used for braking

Inverter auxiliary machine

Control resistor

Control unit 400V system

Rating 3.7kW…0.19kW

Rating 5.5kW…0.28kW

Rating 7.5kW…0.38kW

Rating 11kW…0.55kW

Rating 15kW…0.75kW

Rating 18kW…0.93kW

Rating 22kW…1.1kW

Rating 30kW…1.5kW

Rating 37kW…1.9kW

Rating 45kW…2.3kW

Rating 55kW…2.8kW

Rating 75kW…3.8kW

Rating 90kW…4.5kW

Rating110kW…5.5kW

・When control torque is 100% and
braking frequency is 5%, mainly motor used for braking


*Make any inquiries regarding inverter to the manufacturer.

(7) Power system controller - (3)
Housing machine Heat generation quantity (Criterion value) Remarks
Big inverter
200V system

0kW...1.3kW

37kW...1.6kW

45kW...2.0kW

55kW...2.3kW

75kW...3.1kW

90kW...3.7kW

110kW...4.4kW

・When control torque is 100% and
braking frequency is 5%, mainly motor used for braking

Big inverter 400V system

30kW...1.2kW

37kW...1.4kW

45kW...1.7kW

55kW...1.9kW

75kW...2.6kW

90kW...3.0kW

110kW...3.3kW

132kW...4.1kW

160kW...5.0kW

200kW...6.0kW

220kW...6.8kW

280kW...8.2kW

・When control torque is 100% and
braking frequency is 5%, mainly motor used for braking
 
((7) Power system controller - (4)
Housing machine Heat generation quantity (Criterion value) Remarks
AC reactor 200V system

3.7kW...10W

5.5kW...17W

7.5kW...19W

11kW...20W

15kW...29W

22kW...33W

30kW...39W

37kW...41W

45kW...47W

55kW...55W

75kW...65W

90kW...76W

110kW...83W

・ When input voltage is 50Hz

Voltage balance is 0%

Motor load is 100%

General criterion

AC reactor 400V system

3.7kW...8W

5.5kW...11W

7.5kW...13W

11kW...14W

15kW...19W

18.5kW...27W

22kW...36W

30kW...39W

37kW...50W

45kW...56W

55kW...66W

75kW...71W

90kW...86W

110kW...94W

132kW...119W

160kW...135W

200kW...155W

220kW...170W

280kW...210W

・When input voltage is 50Hz

Voltage balance is 0%

Motor load is 100%

Variation in generation loss appears due to power supply capacity and torque.

As per Fuji Electrical Ltd. make inverter G7/P7 series.

General criterion
 

(7) Power system controller - (5)
Housing machine Heat generation quantity (Criterion value) Remarks

DC reactor

200V・400V

0.4kW...2W

0.75kW...3W

1.5kW...6W

2.2kW...8W

3.7kW...14W

5.5kW...19W

7.5kW...25W

11kW...31W

15kW...36W

18.5kW...40W

22kW...52W

30kW...60W

37kW...67W

45kW...95W

55kW...100W

 

(7) Power system controller - (6)
Housing machine Heat generation quantity (Criterion value) Remarks

Inverter related machines

Power supply regeneration converter

200V / 400V

15kW…500W

30kW…1020W

55kW…1790W

 

(7) Power system controller - (7)
Housing machine Heat generation quantity (Criterion value) Remarks

Inverter related machines

Surge suppressing filter

1.5kW...80W

3.7kW...130W

7.5kW...220W

15kW...340W

22kW...450W

37kW...670W

55kW...1010W

 

Radio noise

Line noise

Filter

1 unit ... 4W  

 

Make separate inquiries to other manufacturers.

Note) This data is based on material issued by panel heat related machine technology research society and survey material is added for this company.

Heat generation quantity of each machine is criterion value and if accurate heat generation quantity is required, contact manufacturers.

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