Rectifier bridges for Traction Applications

Rectifier-bridges-for-Traction-ApplicationsMain characteristics
Output power range from 500 up to 7200 kW
Output nominal voltage ( EN50163 ):
600, 750,1500, 3000 Vdc.
other output voltages are available on request.
Mechanical construction criteria include open frame and metallic cubicle structures as well as fixed or withdrawable solutions.
The power semiconductors diodes of the press-pack technology are manufactured by POSEICO S.p.A.
Careful monitored protection systems are designed to protect the rectifiers against overvoltages, overcurrents and overtemperatures.
The main applications are as energy supply in light, medium and heavy power traction systems.
The rectifiers are designed and manufactured by POSEICO S.p.A. under its
Quality System Certificated according ISO9001:2008 and IRIS Rev02.
Reference Standards:
EN 50327, EN 50328 and EN50329

 

Since 1980, POSEICO started, in parallel with its production of power semiconductors devices, to rmanufacture
power rectifiers for traction applications.
The big experience in power electronics and the care in the customer's satisfaction, allowed POSEICO to expand this activity
becoming one of the leader in this field. POSEICO is a reliable supplier of traction rectifiers for the main European railways, metro
and tram lines. In 2010 in order to satisfy the increasing demand and to offer a more and more efficient service,
POSEICO moved the rectifier production to a new facility located in busalla (20 km far from the head quarter located in genoa) of
2500 m2 assembling area having a testing room with the possibility to test 6 - 12 and 24 pulse rectifiers up to 4000V and 15000 A.

POSEICO RECTIFIER CARACTERISTICS

POSEICO can design, manufacture and test rectifiers for all DC voltages traction systems according to EN50163 Standard:
- 600 V DC
- 750 V DC
- 1500 V DC
- 3000 V DC
other output voltages are available on request.
The power starts from 600KW up to 7.2MW
It’s possible to offer every type of solution: open frame, closed cubicle, withdrawable solutions.
The rectifiers are designed, manufactured and tested according to the EN50328 and IEC 60146-1 Standards.
Normally the rectifiers are natural air cooled to increase reliability and service continuity.
On request, it is possible to have air forced or water cooled rectifiers.
The basic solution is a 6 pulse rectifier (three phase graetz bridge) but, to minimize the harmonic distortion, it is possible to supply 12
pulse or 24 pulse rectifiers. Moving to 12 or 24 pulse configurations the choice of the transformer technical characteristics becomes
fundamental. POSEICO can support its customers in the definition of the transformer technical specification and is able to supply
complete rectifier groups: rectifier + transformer(s) including bus bars electrical connections among them.
The rectifier can be manufactured with or without fuses based on customer's request; the fuses allow,in case of internal fault of the
rectifier (one diode failed), to interrupt the short circuit current.
The rectifier can have a different number of diodes in parallel or in serie for arm.
This last solution is adopted when the power is too big for only one diode or in case of redundancy request.
In case of redundancy the fuse is designed not only to interrupt the short circuit current due to internal fault but to assure the
selectivity of the system too.
In case of 3KV applications POSEICO can assure the rendundancy using both diodes in series connection and diodes in parallel
connection in each arm. In both cases, the POSEICO experience in high power semiconductor manufacturing allows to have an
extremely accurate component matching to minimize the unbalance in voltage or in current respectively.

Electrical characteristics
 Type of connection N° 8,9,12 tb.4 EN50328
 Nominal Voltage  V  750  1500  3000
 Ideal no Load Voltage  V  796  1800  3600
 Insulation Test Voltage  KV  4.6  9.2  18.5
 Frequency  Hz  50/60
 Nominal Current  A  500÷4000  500÷4000  100÷4000
 Diodes in series per arm    1  1  1÷5
 Diodes in parallel per arm    1÷4
         
 TYPE OF REDUNDANCY
 immunity level EN 50328)
 

R (No loss of performance)
T (interruption of service due to protective devices)
D (interruption of service due to damage)

         
 Diode Failure Monitoring
 Pollution Degree
 Protection Degree
  Alarm System Unit
PD3A ( EN 50124-1 )
IP00÷IP55
         

The rectifiers are protected from overvoltage coming from DC and AC side by RC circuits with or without fuses.
The rectifier in standard configuration has the following signals:
- Temperature alarm
- Temperature trip
In case of fuse in series connection with each diode:
- diode alarm (in case of one diode failed in each arm)
- diode trip (in case of a second diode failed in one arm)
The signals are available on the terminal block . As option it is possible to connect all the signals to a PLC and transmit them via SCADA.
It is also possible to have the voltage and current measurements displayed on the front of the cubicle and/or trasmitted via SCADA.

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Rectifier for
traction
applicatios
Protection
degree
 Type of connection Convention
at power
Nominal
voltage
Nominal
current
Rectifier Diodes
POSEICO type
Number
of
arms
Diodes
in series
per
arm
Diodes
in
parallel
per arm
 Total
diodes
quantity
Weigth References
Photo
       [kW]  [V]  [A]            [kg]  
 Nominal Voltage 750 V; natural air cooling                    
 RA6442  IP00  EN50328 N° 8 tab.4  500  750  666  AR1104S22  6  1  1  6  210  
 RA6443  IP00  EN50328 N° 8 tab.4  520  575  900  AR3004S25  6  1  1  6  230  
 AR6613  IP00  EN50328 N° 8 tab.4  750  750  1000  AR3004S25  6  1  1  6  260  
 RA6441  IP00  EN50328 N° 8 tab.4  800  750  1066  AR2004S22  6  1  1  6  230  
 AR6612  IP00  EN50328 N° 8 tab.4  900  750  1200  AR3004S22  6  1  1  6  260  2
 AR6614V  IP30  EN50328 N° 8 tab.4  900  750  1200  AR749LTS22  6  1  1  6  400  
 AR6614  IP00  EN50328 N° 8 tab.4  1000  750  1333  AR749LTS22  6  1  1  6  280  
 RA6701D  IP00  EN50328 N° 9 tab.4  1200  750  1600  AR3004S22  12  1  1  12  525  
 RA6455  IP00  EN50328 N° 8 tab.4  1500  750  2000  AR2004P24  6  1  4  24  806  
 AR1560  IP00  EN50328 N° 8 tab.4  1500  750  2000  AR747LTS22  6  1  1  6  460  
 RA6651  IP32  EN50328 N° 8 tab.4  2500  750  3333  AR749LTS22  6  1  3  18  1500  
 RA3901D  IP00  EN50328 N° 9 tab.4  3000  750  4000  AR748LTP22 12  1  2  24  1780  
 RA3901E  IP00  EN50328 N° 8 tab.4  3000  750  4000  AR748LTP22  6  1  3  18  1730  
 RA3911E  IP00  EN50328 N° 8 tab.4  4000  750  5333  AR748LTP22  6  1  4  24  1890  
Nominal Voltage 1500 V; natural air cooling                    
 AR6615  IP00  EN50328 N° 8 tab.4  900  1200  750  AR3008S32  6  1  1  6  300  
 RA6447  IP00  EN50328 N° 8 tab.4  1500  1500  1000  AR770LTS24  6  1  1  6  330  
 AR6625  IP00  EN50328 N° 8 tab.4  1650  1650  1000  AR1104P26  6  1  4  24  400  
 RA3640E  IP31  EN50328 N° 42 tab.4  3000  1500  2000  AR2004P24  12  1  4  48  2200  5
 RA3610  IP00/IP32  EN50328 N° 12 tab.4  3500  1500  2333  AR1104P21  12  1  4  48  1800  
 RA1531D  IP00  EN50328 N° 9 tab.4  4000  1500  2667  AR772P44  12  1  2  24  1850  
 RA1531E  IP00  EN50328 N° 8 tab.4  4000  1500  2667  AR772P44  6  1  3  18  1700  
 RA1631D  IP00  EN50328 N° 9 tab.4  5000  1500  3333  AR772P44  12  1  3  36  2050  
 RA1631E  IP00  EN50328 N° 8 tab.4  5000  1500  3333  AR772P44  6  1  4  24  1850  
 RA1320NG  IP00  EN50328 N° 12 tab.4  6600  1650  4000  AR3004P26  12  1  4  48  2x1030  
 RA1340P/N  IP00  EN50328 N° 12(x2)  6600  1650  4000  AR1104P26  24  1  4  96  4x875  4
 Nominal Voltage 3000 V; natural air cooling                    
 RA1651NG3600  IP00  EN50328 N° 9 tab.4  3600  3000  1000  AR3007S30  12  5  1  60  2x515  
 RA1552  IP00/IP32  EN50328 N° 12 tab.4  5100  3400  1000  AR771S50  12  1  1  12  2x500  
 RA1651NG5400  IP00  EN50328 N° 9 tab.4  5400  3000  1500  AR3008S30  12  5  1  60  2x555  3
 RA1851  IP21  EN50328 N° 12 tab.4  7400  3000  2468  AR772P50  12  1  3  36  2000  1

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poseico-bn poseico-bnr poseico-bnr poseico-bnr poseico-bnr
Headquarter - Genova
Via Pillea , 42 - 44
16153 - Genova
Italy
language   PEC

antworks n3ms n

 
Suspension of any business relation between Poseico S.p.A. and Alighiero Inti S.a.s.