Medium voltage metal-clad
double bus-bar
switchgear system
Standards and technical information
MV double bus-bar switchgear system BRDA consists of:
BRDA 12
BRDA 17
Technical data:
Rated insulation voltage
kV
12
17,5
Rated lightning impulse withstand voltage
kV
75
95
Rated power frequency withstand voltage
kV
28; 42*)
38
Rated frequency
Hz
Rated continuous current
A
up to 2500
up to 1250
Rated short time withstand current (3 sec.)
kA
up to 31,5
up to 25
Rated peak withstand current
kA
up to 80
up to 63
Withstand for internal arcing fault (1 sec.)
kA
31,5
25
50
Degree of protection
IP 41
IAC classification (class of resistance to internal arc)
AFLR
Bus-bar system
Double
Weight of a single switchgear cubicle
Overall dimensions**)
kg
950-1400
Width
mm
600-1100
Depth
mm
1725
Height
mm
2750
PN-EN 62271-200:2007
PN-EN 62271-1:2009
Compliance with standards
according to ГOCT 14693:1990
without external protectors, covers, doors
Electrical Power Equipment Factory
Elektromontaż Poznań S.A., 12 Wieruszowska Str., 60-166 Poznań, Poland
tel.: (+48) 662 254 806, fax: (+48) 865 58 08, e-mail: zpue@elektromontaz.com
www.switchgears.pl
v2 04/2010
*)
**)
0771/NBR/2010
CERTIFICATE 0771/NBR/2010
Certificate
Medium voltage metal-clad
double bus-bar switchgear system
MV air insulated, metal-clad double bus-bar switchgears BRDA are designed for primary distribution of AC three-phase
electric energy with a rated frequency of 50/60 Hz and rated voltage up to 17,5 kV in electric power distribution networks
of public utilities and industrial power distribution networks.
Thanks to the double bus-bar solution, the BRDA switchgear may be used
in conditions, where reliability and flexibility of switching operations between two
different power sources secure the continuity of power supply. This is very essential
for objects of critical destination, production plants in processing industry
and in electrical power distribution system of weak networks.
Main features
High safety of operation of MV switchgears BRDA has been obtained due to properly
reinforced cubicle construction and decompression channels, which ensure high
resistance to internal electric arc effect.
In fault conditions the metal covers (blow-out valves) installed on the top of cubicle
open under pressure of gases generating during burning of internal arc and secure
blow-out of these gases out of switchgear.
CROSS - SECTION OF THE CUBICLE
The BRDA switchgear system features:
switchgears have two independent systems of bus-bar
metal-clad with two separate bus-bar compartments
indoor
air insulated
compartments separated with metallic partitions
withdrawable circuit breaker (can be transported outside the cubicle
on a separate trolley)
internal arc tested
equipped with innovative equipment for switching, measurement
and control functions
The construction of BRDA cubicles is made of steel sheets covered by zinc
or aluminum-zinc coating.
Doors and outside shields are covered with powder varnish in a colour adjusted
to the Client’s demands.
The cubicle construction is appropriately strengthened to assure high endurance
of the action of the internal electric arc.
The system of mechanical and electrical interlockings ensures safety of operation.
All compartments are equipped with metal covers to ensure gases blow-out
in fault conditions.
The switchgear system BRDA allows flexible designing of various configurations
of MV part in distribution substations.
A - bus-bar and disconnector of system I
B - bus-bar and disconnector of system II
C - withdrawable circuit breaker, D - cable terminals compartment,
E - auxiliary circuits compartment, F - decompression channel, G - withdrawable unit on auxiliary trolley
No.
The innovative double bus-bar switchgear system BRDA is equipped with
apparatus produced by leading international manufacturers which assures high
quality, safety of work and easy maintenance.
Advantages of switchgear BRDA:
innovative construction solutions
high resistance to internal electric arc effect
and arc protection
configuration of different switchgear systems
high service safety
high operational reliability
high corrosion resistance
simple service and maintenance
SINGLE-LINE DIAGRAM OF DISTRIBUTION SUBSTATION
WITH BRDA SWITCHGEAR
List of basic equipment
1
Circuit breakers
2
Disconnectors
3
Current
transformers
4
5
6
7
www.switchgear.pl
Apparatus
Voltage transformers
Earthing switches
Earth fault
instrument transformers
Surge arresters
Type
Manufacturer
Remarks
VD4
ABB
Vacuum
HD4
ABB
SF6
HVX
Areva
Vacuum
EVOLIS
Schneider Electric
Vacuum
VEP
GELPAG
Vacuum
other
other
upon agreement
WR-3
Elektromontaż Poznań
-
IMZ, TPU
ABB
-
ACI
ARTECHE
-
other
other
upon agreement
UMZ
ABB
-
UCI, VCI
ARTECHE
-
other
other
upon agreement
E
ABB
-
other
other
-
IO-10, IO-11, IO-12, IO-22
Energotest
-
IO-1s
ABB
-
other
other
upon agreement
POLIM-D, GXE, GXR
ABB
-
other
other
upon agreement
Medium voltage metal-clad
double bus-bar switchgear system
MV air insulated, metal-clad double bus-bar switchgears BRDA are designed for primary distribution of AC three-phase
electric energy with a rated frequency of 50/60 Hz and rated voltage up to 17,5 kV in electric power distribution networks
of public utilities and industrial power distribution networks.
Thanks to the double bus-bar solution, the BRDA switchgear may be used
in conditions, where reliability and flexibility of switching operations between two
different power sources secure the continuity of power supply. This is very essential
for objects of critical destination, production plants in processing industry
and in electrical power distribution system of weak networks.
Main features
High safety of operation of MV switchgears BRDA has been obtained due to properly
reinforced cubicle construction and decompression channels, which ensure high
resistance to internal electric arc effect.
In fault conditions the metal covers (blow-out valves) installed on the top of cubicle
open under pressure of gases generating during burning of internal arc and secure
blow-out of these gases out of switchgear.
CROSS - SECTION OF THE CUBICLE
The BRDA switchgear system features:
switchgears have two independent systems of bus-bar
metal-clad with two separate bus-bar compartments
indoor
air insulated
compartments separated with metallic partitions
withdrawable circuit breaker (can be transported outside the cubicle
on a separate trolley)
internal arc tested
equipped with innovative equipment for switching, measurement
and control functions
The construction of BRDA cubicles is made of steel sheets covered by zinc
or aluminum-zinc coating.
Doors and outside shields are covered with powder varnish in a colour adjusted
to the Client’s demands.
The cubicle construction is appropriately strengthened to assure high endurance
of the action of the internal electric arc.
The system of mechanical and electrical interlockings ensures safety of operation.
All compartments are equipped with metal covers to ensure gases blow-out
in fault conditions.
The switchgear system BRDA allows flexible designing of various configurations
of MV part in distribution substations.
A - bus-bar and disconnector of system I
B - bus-bar and disconnector of system II
C - withdrawable circuit breaker, D - cable terminals compartment,
E - auxiliary circuits compartment, F - decompression channel, G - withdrawable unit on auxiliary trolley
No.
The innovative double bus-bar switchgear system BRDA is equipped with
apparatus produced by leading international manufacturers which assures high
quality, safety of work and easy maintenance.
Advantages of switchgear BRDA:
innovative construction solutions
high resistance to internal electric arc effect
and arc protection
configuration of different switchgear systems
high service safety
high operational reliability
high corrosion resistance
simple service and maintenance
SINGLE-LINE DIAGRAM OF DISTRIBUTION SUBSTATION
WITH BRDA SWITCHGEAR
List of basic equipment
1
Circuit breakers
2
Disconnectors
3
Current
transformers
4
5
6
7
www.switchgears.pl
Apparatus
Voltage transformers
Earthing switches
Earth fault
instrument transformers
Surge arresters
Type
Manufacturer
Remarks
VD4
ABB
Vacuum
HD4
ABB
SF6
HVX
Areva
Vacuum
EVOLIS
Schneider Electric
Vacuum
VEP
GELPAG
Vacuum
other
other
upon agreement
WR-3
Elektromontaż Poznań
-
IMZ, TPU
ABB
-
ACI
ARTECHE
-
other
other
upon agreement
UMZ
ABB
-
UCI, VCI
ARTECHE
-
other
other
upon agreement
E
ABB
-
other
other
-
IO-10, IO-11, IO-12, IO-22
Energotest
-
IO-1s
ABB
-
other
other
upon agreement
POLIM-D, GXE, GXR
ABB
-
other
other
upon agreement
Medium voltage metal-clad
double bus-bar
switchgear system
Standards and technical information
MV double bus-bar switchgear system BRDA consists of:
BRDA 12
BRDA 17
Technical data:
Rated insulation voltage
kV
12
17,5
Rated lightning impulse withstand voltage
kV
75
95
Rated power frequency withstand voltage
kV
28; 42*)
38
Rated frequency
Hz
Rated continuous current
A
up to 2500
up to 1250
Rated short time withstand current (3 sec.)
kA
up to 31,5
up to 25
Rated peak withstand current
kA
up to 80
up to 63
Withstand for internal arcing fault (1 sec.)
kA
31,5
25
50
Degree of protection
IP 41
IAC classification (class of resistance to internal arc)
AFLR
Bus-bar system
Double
Weight of a single switchgear cubicle
Overall dimensions**)
kg
950-1400
Width
mm
600-1100
Depth
mm
1725
Height
mm
2750
PN-EN 62271-200:2007
PN-EN 62271-1:2009
Compliance with standards
according to ГOCT 14693:1990
without external protectors, covers, doors
Electrical Power Equipment Factory
Elektromontaż Poznań S.A., 12 Wieruszowska Str., 60-166 Poznań, Poland
tel.: +48 662 090 137, fax: +48 61 865 58 08, e-mail: zpue@elektromontaz.com
www.switchgear.pl
v3 05/2011
*)
**)
0771/NBR/2010
CERTIFICATE 0771/NBR/2010
Certificate