Siemens 15-FSV-750 설치 운영 및 유지보수 - 페이지 44

{카테고리_이름} Siemens 15-FSV-750에 대한 설치 운영 및 유지보수을 온라인으로 검색하거나 PDF를 다운로드하세요. Siemens 15-FSV-750 48 페이지. Vacuum circuit breakers fsv series and msv series

Vehicle

Description

Insulating Barriers

Reference Figure 28

Insulating barriers are req u i red for use on type MSV and FSV

circuit b reakers.

I nterphase (with cutout) and exterior barriers on type FSV c i r

cuit breakers are removed or inserted by sliding them in the

vertical channels.

I nterphase barriers on type MSV circuit breakers are removed

or inserted by sliding them in the vertical channels. Exterior

barriers are secu red with the mou ntin g posts i nserted i nto the

teardrop holes and slid down to hold i n place. This may requ i re

a slight deflection of the barrier against the i nterrupter heat

sink.

Type MSV and FSV breakers req u i re a full compl iment of two

exterior and two i nterphase barriers. Refer to the parts guide

for location of barriers.

Hinged Front Panel

Aramid Cords

G uides

Side View

Hinged Front Panel-Type FSV

Figure 29

FS V breaker

Reference Fig u re 29The

panel which is spring loaded to seek a vertical position Helical

extension springs maintain tension in aramid fiber cords which

are trained over g u ides to apply a horizontal pull on the front

panel towards the rear of the b reaker.

If the front panel fai ls to move easily and freely against the

spring tension. DO NOT FORCE. STOP ' Exam ine aramid cord

to ensure it is aligned over each of two guides. Tensioned cords

are applied symmetrically to each side of the front pane l . Hel

ical springs may be accessed by removing the front lower panel

of the breaker.

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Extension

Spring

employs a hi nged front