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Main circuit terminals
1
WIRING
(1)
Application of the guideline for specific consumers
Table 2 Conversion Factors for FR-F500J Series
Class Circuit Type Conversion Factor (Ki)
3
Three-phase bridge
(Capacitor-
smoothed)
Without reactor K31 = 3.4
With reactor (AC side) K32 = 1.8
With reactor (DC side) or filter pack K33 = 1.8
With reactors (AC, DC sides) K34 = 1.4
Table 3 Equivalent Capacity Limits
Received Power Voltage Reference Capacity
6.6kV 50 kVA
22/33 kV 300 kVA
66kV or more 2000 kVA
Not more than
reference capacity
New installation/addition/
renewal of equipment
Calculation of equivalent
capacity sum
Sum of equivalent
capacities
Over reference
capacity
Calculation of outgoing
harmonic current
Is outgoing harmonic
current equal to or lower
than maximum value?
Not more than
maximum value
Harmonic suppression
technique is not required.
Over maximum value
Harmonic suppression
technique is required.