Eaton Ulusoy URING12-24-LLC-SF6 User manual

Ulusoy URING12-24 - LLC-SF6Insulated
Compact RMU Switchgear with
Vacuum Circuit Breaker User Manual
12-24kV / 200-630A / 21kA-3s
www.eaton.com

URING 12-24-LLC SF6 INSULATED COMPACT RMU SWITCHGEAR WITH VACUUM CIRCUIT BREAKER
1. CAUTION
2. HANDLING AND TRANSPORT
3. STORAGE
4. MAIN FEATURES
5. SWITCHGEAR MAIN EQUIPMENTS
6. ACCESSORIES
7. DIMENSIONS
8. OPERATION INSTRUCTIONS
8.1. ENERGIZING INCOMING & OUTGOING UNIT
8.1.1. CLOSING THE SWITCHGEAR DOOR
8.1.2. OPENING THE EARTHING SWITCH
8.1.3. CHARGING SPRING
8.2. ENERGIZING CIRCUIT BREAKER UNIT
8.2.1. CLOSING THE SWITCHGEAR DOOR
8.2.2. OPENING THE EARTHING SWITCH
8.2.3. CHARGING AND CLOSING THE DISCONNECTOR
8.2.4. CHARGING AND CLOSING THE CIRCUIT BREAKER
8.3. CUTTING CIRCUIT BREAKER UNIT’S ENERGY 8.3.1.
OPENING THE CIRCUIT BREAKER
8.3.2. OPENING THE DISCONNECTOR
8.3.3. CLOSING EARTHING SWITCH
8.3.4. OPENING THE SWITCHGEAR DOOR
8.4. CUTTING INCOMING & OUTGOING UNIT’S ENERGY
8.4.1. OPENING LOAD BREAK SWITCH
8.4.2. CLOSING EARTHING SWITCH
8.4.3. OPENING THE SWITCHGEAR DOOR
9. CABLE CONNECTION
10. OVER PRESSURE FLAP POSITION
11. COMBINING MODULAR CUBICLES
INDEX

1. CAUTION
When medium-voltage equipment is operating,
certain components are live, other parts may be in
movement and some may reach high temperatures.
Therefore, the use of this equipment poses
electrical, mechanical and thermal risks.
Consequently, the equipment to which the present
manual refers complies with the requirements
of section 11.2 of Standard IEC 62271-1. It must
therefore only be operated by appropriately
qualied and supervised personnel, in accordance
with the requirements of standard EN 50110-1 on
the safety of electrical installations and standard
EN 50110-2 on activities in or near electrical
installations.
Personnel must be fully familiar with the
instructions and warnings contained in this
manual and in other recommendations of a more
general nature which are applicable to the situation
according to current legislation.
The above must be carefully observed, as the
correct and safe operation of this equipment
depends not only on its design but also on general
circumstances which are in general beyond the
control and responsibility of the manufacturer. More
specically:
• The equipment must be handled and transported
appropriately from the factory to the place of
installation.
• All intermediate storage should occur in
conditions which do not alter or damage the
characteristics of the equipment or its essential
components.
• Service conditions must be compatible with the
equipment rating.
• The equipment must be operated strictly in
accordance with the instructions given in the
manual, and the applicable operating and safety
principles must be clearly understood.
• Maintenance should be performed properly, taking
into account the actual service and environmental
conditions in the place of installation.
The manufacturer declines all liability for any
signicant indirect damages resulting from violation
of the guarantee, under any jurisdiction, including
loss of income, stoppages and costs resulting from
repair or replacement of parts.
Warranty
The manufacturer guarantees this product against any defect in materials and operation during the
contractual period. In the event that defects are detected, the manufacturer may opt either to repair or replace
the equipment. Improper handling of this equipment and its repair by the user shall constitute a violation of
the guarantee.

URING 12-24-LLC SF6 INSULATED COMPACT RMU SWITCHGEAR WITH VACUUM CIRCUIT BREAKER
Before performing work on the panels, it is essential that you comply
with the following instructions:
Danger!
Mortal danger due to high voltage. Before performing assembly or
maintenance work, the system must be isolated from high voltage,
and earthed..
Danger!
Mortal danger due to supply voltage. Before performing assembly
or maintenance work, the system must be isolated from the supply
voltage.
Warning!
Risk of injury from movable parts in mechanical drives. Before performing
maintenance work,
• Isolate the system from the supply voltage
• Release the circuit-breaker’s energy storing device by OFF-ON-OFF operation
and in case of a make-proof earthing switch, by the appropriate ON-operation.
Warning!
After the removal of covers from a switchgear, operator safety regarding internal
arcs may be reduced unless the switchgear is isolated from the power supply.
Optimum operator safety is only ensured if the switchgear is completely isolated
from the power supply and earthed for assembly work.

URING 12-24-LLC SF6 INSULATED COMPACT RMU SWITCHGEAR WITH VACUUM CIRCUIT BREAKER
2. HANDLING AND TRANSPORT
Important:
During transport, the switchgear must be perfectly seated and xed so that it cannot move
about and possibly damage the equipment.
The switchgear must always be kept upright, directly
on the ground or on a pallet depending on the type of
handling involved.
To handle assemblies of up to 5 functional units, one of
the following methods must be used:
• Using a forklift truck or pallet-jack.
• Lifting using slings or chains xed to the lifting supports
on the sides of the top of the cubicle. The angle of pull
should be as vertical as possible (with an angle greater
than 60º from the horizontal).
Lifting of a URING cubicle with a fork-lift truck
Lifting of URING cubicles with chains

URING 12-24-LLC SF6 INSULATED COMPACT RMU SWITCHGEAR WITH VACUUM CIRCUIT BREAKER
The use of lifting beams is required for cubicle assemblies with control boxes as the sole
exception, slings or chains may be used if the cubicles of the assembly have identical height
control boxes installed.
• If it is not possible to lift using the mentioned
methods, rollers may be used underneath
the switchgear. Another option is to slide the
cubicles over rods (these same rods can be
used to help get over the cable pit).
• To handle 5 functional unit assemblies
(consisting of either coupled modules or
compact assemblies associated with modules),
use lifting systems (slings, lifting beam, etc.)
with a pull angle greater than 65º and less
than 115º in order to prevent possible damage
to the cubicles during hoisting.
Lifting of a set of 3 URING functional units with a forklift truck
Lifting of a set of 5 URING functional units with lifting beam
and chains

3. STORAGE
If it needs to be stored, the equipment must be placed
on dry ground or on top of damp-proof insulating
material, still in its original packaging.
After prolonged storage, clean all the insulating parts
carefully before commissioning the equipment. The
enclosure should be cleaned with a clean, dry lint-free
cloth.
the following conditions recommended:
• Ambient air temperature should not exceed 40 ºC
and its mean value, measured in a period of 24 hours,
should not exceed 35 ºC.
• The ambient air temperature should not drop
below - 5 ºC. There are also cubicles with storage
temperature up to - 40 ºC.
• The switchgear must be protected from direct solar
radiation.
• Maximum altitude is 2000 m.
• The environmental air must not have any signicant
contamination from dust, smoke, corrosive and/or
inflammable gases, vapours or salt.
• The switchgear must be protected from the rain,
and the humidity conditions should be as follows:
o the mean relative humidity value, measured over a
period of 24 hours, must not exceed 95%.
o The mean water steam pressure value, measured in
a period of 24 hours, must not exceed 2.2 kPa.
o the mean relative humidity value, measured over a
period of one month, must not exceed 90%.
o The mean water steam pressure value, measured in
a period of 1.8 hours, must not exceed 1.8 kPa.
• During transport, vibrations caused by external
factors or seismic movements must be insignicant.
Any other conditions must be notied beforehand, since the equipment must be factory-
adjusted to the atmospheric pressure at the nal destination or during transport.
Otherwise, the manometer needle may indicate an incorrect value, even if the equipment’s
internal gas pressure is correct.

URING 12-24-LLC SF6 INSULATED COMPACT RMU SWITCHGEAR WITH VACUUM CIRCUIT BREAKER
4. MAIN FEATURES
Uring 12-24 RMU is a SF6 insulated ring main unit for the secondary distribution networks. Uring 12-24
can be supplied in a number of different congurations suitable for most switching applications in 12/24 kV
distribution network.
The Uring 12-24 RMU has a completely sealed system with a stainless steel tank containing all the live parts
and switching functions with SF6 gas. A sealed steel tank with constant atmospheric conditions ensures a
high level of reliability as well as personal safety and a virtually maintenance-free system. Uring 12-24 LLF
is 3 way unit in a single SF6 tank. Two incoming-outgoing unit with load break switch and one transformer
protection unit with fuse combination. This is 3 way design. Uring 12-24 RMU can be designed up to 5 way
unit as extensible or non extensible system. Switching device in Uring 12-24 is three positioning (close-open-
earthed) load break switch. It has high number of switching operation and high short circuit withstand.
5. SWITCHGEAR MAIN EQUIPMENTS
Holes for Crain
Manometer
CB Open&Close Buttons
CB Spring Charge Hole
Disconnector &
Earth Hole
CB Open&Close
Buttons
Earthing Bar
Extension Bushings
Earth Switch
Operation Hole
Switch & Earth Switch
Position Indicator
Spring
Charging Hole
Manuel Opening &
Closing Buttons
Voltage Indicator
LV Panel
LV Panel Cover
Button
Motor & Manuel
Selection Switch
Remote
Controller Socket
SF6 Valve

Remote Controller Button
(optional)
Operating Handle
6. ACCESSORIES
Cable Bushings
(Interface-C)
Cable Clamps Earth Bar

URING 12-24-LLC SF6 INSULATED COMPACT RMU SWITCHGEAR WITH VACUUM CIRCUIT BREAKER
7. DIMENSIONS

Place the cell front cover.
Serial light
8. OPERATION INSTRUCTIONS
8.1 ENERGIZING INCOMING & OUTGOING UNIT
Checks before powering
Check if there are foreign objects in the cells. Check the connections of the cells.
Input cell:
When input cables are powered, voltage
indicator lights must be on.
Output cell:
When the disconnector and breaker are off,
voltage indicator lights must be on.
If the phases conform, light is off.
If the phases do not conform, light is on.
(Test device cannot be delivered with cells.)
In Output Cells
To check cable faults.
Turn the breaker on.
Turn the disconnector on.
Turn the earthing disconnector off.
Open the cell front cover.
Place the cable test device.
Turn the earthing disconnector on.
Perform the required measurements.
In Input Cells
To check cable faults.
Turn the breaker on.
Turn the disconnector on.
Break the power of the cell from previous center and perform
the earthing of the cables.
Turn the earthing disconnector off.
Open the cell front cover.
Place the cable test device.
Turn the earthing disconnector on from both sides.
Perform the required measurements.
Voltage Indicator Phase Conformity Test
Cable Test

URING 12-24-LLC SF6 INSULATED COMPACT RMU SWITCHGEAR WITH VACUUM CIRCUIT BREAKER
8.1.1 CLOSING THE SWITCHGEAR DOOR
Earthing switch must be closed for closing/opening the switchgear door!
In the rst step, the door is open, load break switch is open and the earthing switch is closed
Put the bottom side of the door
to the switchgear and push the
door towards the switchgear.
Pull the door down The door is closed.

8.1.2 OPENING THE EARTHING SWITCH
Put the lever into the earthing switch lever hole
Remove the handle from earthing switch lever hole.
Check the position of the earthing switch. It must be in open
position now.
Rotate the lever in the direction of the arrow. (Clockwise)

URING 12-24-LLC SF6 INSULATED COMPACT RMU SWITCHGEAR WITH VACUUM CIRCUIT BREAKER
8.1.3 CHARGING SPRING
Insert the lever into spring charge lever hole and
rotate in the direction of arrow. (Clockwise)
Push the closing (I) button to close load break
switch.
If there is DC on the auxilliary contacts,turn the
manuel-motor switch button to the motor selection.
Then the spring will be automatically charged by the
motor.
Check the position indicator for close position.

8.2 ENERGIZING CIRCUIT BREAKER UNIT
8.2.1 CLOSING THE SWITCHGEAR DOOR
Earthing switch must be closed for closing/opening the switchgear door!
In the rst step, the door is open, disconnector switch is open and the earthing switch is closed
Put the bottom side of the door
to the switchgear and push the
door towards the switchgear.
Pull the door down. The door is closed.

URING 12-24-LLC SF6 INSULATED COMPACT RMU SWITCHGEAR WITH VACUUM CIRCUIT BREAKER
8.2.2 OPENING THE EARTHING SWITCH
Put the lever into the earthing switch lever hole
Remove the handle from earthing switch lever hole.
Check the position of the earthing switch. It must be in open position now.
Rotate the lever in the direction of the arrow. (Clockwise)

8.2.3 CHARGING AND CLOSING THE DISCONNECTOR
Insert the lever into spring charge lever
hole and rotate in the direction of arrow.
(Clockwise)
If there is DC on the auxiliary contacts, turn
the manual-motor switch button to the
motor selection. Then the spring will be
automatically charged by the motor.
Push the closing (I) button to close load break switch. Check the position indicator for close position and
remove the key from disconnector safety lock.

URING 12-24-LLC SF6 INSULATED COMPACT RMU SWITCHGEAR WITH VACUUM CIRCUIT BREAKER
8.2.4 CHARGING AND CLOSING THE CIRCUIT BREAKER
Insert the lever into spring charge lever
hole and rotate in the direction of arrow.
(Clockwise).
If there is DC on the auxiliary contacts, turn
the manual-motor switch button to the
motor selection. Then the spring will be
automatically charged by the motor.
Then put the key removed from the
disconnector to circuit breaker safety lock.
Push the closing (I) button to close load break switch. Check the position indicator for close position.

8.3 CUTTING CIRCUIT BREAKER UNIT’S ENERGY
8.3.1 OPENING THE CIRCUIT BREAKER
8.3.2 OPENING THE DISCONNECTOR
Push the opening (O) button to close load break switch.
Put the key removed from the circuit breaker to
disconnector safety lock.
Push the opening (O) button to close load break
switch.
Check the position indicator for open position. Then
remove the key from circuit breaker safety lock.
Check the position indicator for close position.

URING 12-24-LLC SF6 INSULATED COMPACT RMU SWITCHGEAR WITH VACUUM CIRCUIT BREAKER
8.3.3 CLOSING EARTHING SWITCH
Put the lever into the earthing switch lever hole.
Remove the handle from earthing switch lever hole.
Check the position of the earthing switch. It must be in close position now.
Rotate the lever in the direction of the arrow.
(Counter clockwise)