Checkings Before Energizing The Switchgear; Test To Be Carried Out Before Energizing The Switchgear - Eaton Ulusoy HMH24-04 User Manual

HMH24-04 Checkings Before Energizing the Switchgear
Check if there are any foreign objects within the switchgear.
Check the connection points of the switchgear.
Ensure that toroid current transformers are connected properly, if any.
Ensure that front door is placed firmly.
If the front door is not placed firmly, operating handle/lever cannot be inserted.
HMH24-04 Test to be Carried out Before Energizing the Switchgear
Operating Hole
for Spring Charging
OPERATIONAL
DIAGRAM
CLOSE
THE SWITCHGEAR
DOOR
ULUSOY ELEKTRİK A.Ş.
OPEN 1.ORGANİZE SANAYİ BÖLGESİ OĞUZ CAD. NO: 6
THE EARTHING 06935 SİNCAN / ANKARA TÜRKİYE
SWITCH 0 TEL: +90 312 267 07 12 FAX: +90 312 267 05 17
www.eaton.com / www
ulusoy.info@eaton.com
CHARGE
THE SPRING
(DISCONNECTOR) Standard: IEC 62271-200 Protect on Degree: IP3X
CLOSE
THE SWITCH
DISCONNECTOR
CHARGE
THE SPRING
(CB)
CLOSE
I
THE CIRCUIT
BREAKER
OPEN 0
THE CIRCUIT
BREAKER
NO
IS THERE ANY
OPERATION ON
THE SWITCHGEAR?
YES
OPEN
0
THE SWITCH
DISCONNECTOR
0
CLOSE
THE EARTHING
SWITCH I
OPEN
THE SWITCHGEAR
DOOR
!
IF THIS SWITCHGEAR IS USED AS AN
INCOMING FEEDER DO NOT CLOSE
THE EARTING SWITCH BEFORE CUTTING
DOWN THE ENERGY FROM PREVIOUS STATION
Padlock
Housing
Disconnector and Earthing
Switch Mimics (indicators)
0
I
0 I
OFF (0) ON (I)
Button Button
Ulusoy HMH24-04 Incoming/Outgoing Switchgear with Circuit Breaker User Manual
Place the switchgear front door.
I I
0 0
! DO NOT INTERFERE WITH THE EARTHING
MECHANISM WHILE THE LOAD BREAK
SPRING IS CHARGED
Operating Hole
for Earthing Switch
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