Delta Electronics Network Device VFD-S Specifikace stáhnout pdf (Strana 123)

VFD-S Series

B-12

B.7 Zero Phase Reactor (RF220X00A)

Recommended Wire Size

Cable type

(Note)

AWG mm

Nominal

(mm2)

Qty. Wiring Method

≦10 ≦5.3 ≦5.5

1 Diagram A

Single-core

≦2 ≦33.6 ≦38

4 Diagram B

≦12 ≦3.3 ≦3.5

1 Diagram A

Three-core

≦1 ≦42.4 ≦50

4 Diagram B

Note: 600V Insulated Unshielded Cable.

Diagram A

Please wind each wire 4 times around the core. The reactor must be put at inverter side as

close as possible.

Power

Supply

Zero Phase Reactor

MOTOR

U/T1

V/T2

W/T3

R/L1

S/L2

T/L3

Diagram B

Please put all wires through 4 cores in series without winding.

U/T1

V/T2

W/T3

R/L1

S/L2

T/L3

Power

Supply

Zero Phase Reactor

MOTOR

Note1: The table above gives approximate wire size for the zero phase reactors but the

selection is ultimately governed by the type and diameter of cable fitted i.e. the cable

must fit through the center hole of zero phase reactors.

Note2: Only the phase conductors should pass through, not the earth core or screen.

Note3: When long motor output cables are used an output zero phase reactor may be

required to reduce radiated emissions from the cable.

UNIT: mm(inch)

1 2 ... 118 119 120 121 122 123 124 125 126 127 128 ... 142 143

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