NR - SSI8500E ISSUE 4
Design of SSI Schemes - Power Supplies (aka RT/SSI/8500E)
inactive
| Organization: | NR |
| Publication Date: | 1 February 2002 |
| Status: | inactive |
| Page Count: | 4 |
scope:
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.
Document History
September 5, 2015
Design of SSI Schemes - Chapter E: Power Supplies
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...
March 3, 2012
Design of Schemes, Chapter E: Power Supplies
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...
SSI8500E ISSUE 4
February 1, 2002
Design of SSI Schemes - Power Supplies (aka RT/SSI/8500E)
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...
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