R-Tech INV160 Guía de instalación descargar pdf (Pagina 84)

C-24

Electrical diagrams

2 Normal sources and 1 Replacement source: electrical interlocking without lockout after a fault

DB101734

Legends

QN... “Normal”

source Masterpact NW

QR “Replacement” source Masterpact NW

MCH spring-charging

motor

MX standard

opening voltage release

XF standard closing voltage release

OF... breaker

ON/OFF indication contact

PF “ready-to-close” contact

“connected-position” indication contact (carriage switch)

“springs charged” indication contact

F1 auxiliary

power supply circuit breaker

t1 order

for transfer from “R” to “N1 + N2”

(QN1 and QN2 closing time delay = 0.25 sec. minimum)

t2 order

for transfer from “N1 + N2”to “R”

(QR closing time delay = 0.25 sec. minimum)

States permitted by mechanical interlocking system

Normal 1 Normal 2 Replacement

0 0 0

1 1 0

0 0 1

1 0 0

0 1 0

Note:

diagram shown with circuit breakers in connected position, open,

charged, and ready to close.

Auxiliary power supply = supply voltage of auxiliary relays (KA...)

= supply voltage of electrical auxiliaries (electrical operation,

MCH, MX, MN...).

Remote-operated

source-changeover systems

3 Masterpact NW devices

Diagram no. 51156906

Livre 1.indb 24 08/10/2008 18:39:59

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R-Tech INV160 Guía de instalación Pagina 84

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