2-BOOSTER RVSS.pdf
PDF 538 KB Posted
- Attached to
- AULD ROAD BOOSTER STATION MEDIUM VOLTAGE SOFT STARTER (MVSS) INSTALLATION AND START-UP SERVICE
- Solicitation number
- RFP-AR-3928
- Issued by
- Riverside County, California
About this file
This is a technical schematic diagram related to the Eastern Municipal Water District's (EMWD) medium voltage soft starter installation project at the Auld Road Booster Station. The document displays a RVSS (Reduced Voltage Soft Starter) HOA (Hand-Off-Auto) control system schematic with MODBUS RTU communication protocol integration. The diagram illustrates the electrical control logic and permissive functions for the booster station's operation, including power-on sequences, call functions, running modes, and fail-safe mechanisms. Key components depicted include CR2 through CR6 control relays, TSH-1 time delay relay, HPSI and LSPSI pressure sensors, and an E-STOP emergency shutdown function, with provisions for future RTU (Remote Terminal Unit) integration.
The schematic provides the technical framework for the soft starter system that EMWD intends to install and commission at the Auld Road Booster Station. This control system design demonstrates the automated operational capabilities and safety protocols required for the medium voltage soft starter installation project. The diagram serves as supporting technical documentation for prospective bidders responding to EMWD's competitive solicitation for the purchase, installation, startup service, and employee training associated with the MVSS system.
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Other files
| File | Type | Posted |
|---|---|---|
| 3-RFP-3928 AR.pdf | ||
| 4-RFP 3928 EXHIBITS.pdf | ||
| 1-RFP 3928 TERMS CONDITIONS.pdf |
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Text version
RVSS
HOA
MODBUS RTU
POWER ON
CR4
CR2
PERMISSIVE
24V DC
AUTO CALL
TCR5
TCR5 CR5
CR5
FAIL
RVSS
TSH-1
CR5 CR4
RVSS STOP
CR4
CR4
W
RVSS RNNG
RVSS
RNNG
FAIL
FAIL
RVSS RNNG
HPSI
FAIL
RVSS
RVSS
BOOSTER
AUTO
FAIL
CALL
CR4
HOA
HND
RESET
CR2
CR2
HND CALL
RTU
RNNG
CR6
LSPSI
RSSV
RESET RSSV RESET
E-STOP
FUTURE
RTU CALL
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