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NR SSI8500E ISSUE 6 PDF

NR SSI8500E ISSUE 6 PDF

Name:
NR SSI8500E ISSUE 6 PDF

Published Date:
09/05/2015

Status:
[ Active ]

Description:

Design of SSI Schemes - Chapter E: Power Supplies

Publisher:
Network Rail

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
SKU:
Choose Document Language:
$7.5
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General

SSI equipment to BRB Specification 1900 is designed for connection to normal 110V 50Hz signalling supplies where any break in supply causes a switchover to an alternative supply within a few seconds. SSI equipment will tolerate supply voltages of 94V to 122V, at a frequency of 49Hz to 51Hz. Therefore, the nominal power supply voltage shall be in the range 100 - 115V with a maximum voltage fluctuation of ±6% and maximum frequency fluctuation of ±2% (or ±1Hz). More detailed information is shown in BR Specification 1900.


Edition : 6
File Size : 1 file , 210 KB
Number of Pages : 7
Published : 09/05/2015

History

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