Checkings Before Energizing The Switchgears; Test To Be Carried Out Before Energizing Switchgears - Eaton Ulusoy HMH24-01 User Manual

HMH24-01 Checkings Before Energizing the Switchgears
Check if there are any foreign objects within switchgears.
Check the connection points of switchgears.
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.
HMH24-01 Test to be Carried out Before Energizing Switchgears
Padlock Facility
Operating Hole for Spring
Charging
OPERATIONNAL
DIAGRAM
CLOSE
THE SWITCHGEAR'S
DOOR
ULUSOY
OPEN
ANKARA
THE EARTHING
TEL: +90 312 267 07 12 FAX: +90 312 267 05 17
SWITCH
0 www
ulusoy.info@eaton.com
Standard: IEC 62271-200
ASSEMBLE
THE COIL SPRING
CLOSE
LOAD BREAK
SWITCHGEAR I
OPEN
LOAD BREAK
SWITCHGEAR
0
NO
IS THERE ANY
OPERATION ON
THE SWITCHGEAR?
YES
CLOSE
THE EARTHING
SWITCH I
OPEN
THE SWITCHGEAR'S
DOOR
!
IF THIS SWITCHGEAR IS USED AS AN
INCOMING FEEDER DO NOT CLOSE
THE EARTING SWITCH BEFORE CUTTING
DOWN THE ENERGY FROM PREVIOUS STATION
0
OFF (0)
Button
Operating load break switch and earthing switch a few times.
LBS and Earthing Switch
Mimics (indicators)
I I
0 0
! DO NOT INTERFERE WITH THE EARTHING
MECHANISM WHILE THE LOAD BREAKER
SPRING IS CHARGED
ON (I)
Button
Ulusoy HMH24-01 Incoming-Outgoing Switchgear with LBS User Manual August 2020 www.eaton.com
Place the switchgear front door.
Operating Hole
Earthing Switch
5