Camille Bauer SIRAX CT600 Panduan Pengoperasian - Halaman 9

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6. Technical specifications

Input

Primary current input

Dynamic short circuit current I

Thermal short circuit current I

Nominal frequency

Output

Secondary current

Class of accuracy

Rated burden

Instrument security factor FS

Environmental conditions

Ambient temperature

Storage temperature

Safety

Overvoltage category

Degree of pollution

Test voltage

Rated insulation level

Insulation class

Body protection IP

Mechanical properties

Housing material

Flammability class

Dimensions (height / width / depth)

Connections

Connection

Maximum conductor cross section

Standards

Standards accepted

Calculation example

Main transformer ratio:

Burden - 1 Ammeter

Erforderliche aktive Leistung des Stromwandlers:

Ammeter

Measurement conductor loss

Consumption in summation CT

Total VA

Der einzelne Stromwandler muss seinen VA-Anteil aus diesen 7.0 VA ziehen.

1. Current transformer 500 / 5A

2. Current transformer 400 / 5A

3. Current transformer 300 / 5A

* The VA values of the current transformer are to be rounded up to the corresponding values in our chart.

PM 1002308 000 00

dyn

500 / 5A

400 / 5A

300 / 5A

Total current =

1200 / 5A

1.5 VA

4.0 VA

7.0 VA

(500 / 1200) x 7 = 2.92 VA + additional lesses ≈ 3.75 VA*

(400 / 1200) x 7 = 2.33 VA + additional lesses ≈ 2.5 VA*

(300 / 1200) x 7 = 1.75 VA + additional lesses ≈ 2.5 VA*

Summation current transformer SIRAX CT6xx line

SIRAX CT600

2...4 x 5A

0.5

5; 10; 15; 20; 25 VA

3 kV; 50 Hz; 1 min

UL94 V-0, self-extinguishing, non-dripping, halogen-free

112.5 x 75 x 70 mm

M4 screws with self lifting clamp strap

∅ 2,5 mm solid; ∅ 1,5 mm flexibel

IEC 61869-1; IEC 61869-2; IEC 60044-1

SIRAX CT610

5...8 x 5A

2.5 x I

60 x I

50 ... 60 Hz

5 A

0.5

FS5; FS10

-25 ... +40 °C

-50 ... +80 °C

III

0.72 kV

E (120 °C)

IP20

Polycarbonate

112.5 x 150 x 70 mm

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