Industrial Chiller Plant Power Controls Overview

Detailed overview of the power distribution and control systems for chiller platforms in an assembly hall. Includes equipment allocation, existing and new platform configurations, controls components, safety features, and power distribution plans. Tasks completed and in progress are highlighted with images for visual reference.

• Chiller Plant
• Power Distribution
• Control Systems
• Assembly Hall
• Equipment Allocation

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Uploaded on Mar 27, 2024 | 2 Views

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1. Chiller Plant Power / Controls 1

2. Assembly Hall Chiller Platforms Power Distribution Plan Platform A already exists and will not have any extra loads. Platform B will have a power distribution panel (AH-1) installed. AH-1 will be fed by 75KVA transformer (Central magnet). AH-1 will feed all equipment on the platform. Below are tasks items completed. Cooling chiller platform B layout is designed. Equipment on the platform is allocated. Chiller Platform B (New Proposed Area) Chiller Platform A (existing) 2

3. Chiller Platform A Power Distribution 8H EXISTING CHILLER PLATFORM A ONE-LINE PLATFORM A/AH LAYOUT 3

4. Chiller Platform A Controls Components Existing Disconnect C22-DL-W-X1-K10-120 Platform Local Resets XTCE065DS1TD Description CONTACTOR, 3 POLE, 65 AMP, FRAME D, 1NO-1NC AUX, 24VDC COIL Low coil consumption Front accessibility to coil terminations Built-in surge suppression on electronic coils Built-in auxiliary contact for contactors up to 32A in a 45 mm frame Finger-safe and back-of-hand proof ratings Direct PLC control https://www.alliedelec.com/product/eaton-cutler- hammer/xtce065ds1td/71218334/?gclid=Cj0KCQiAuP- OBhDqARIsAD4XHpcx_oH7Abr6QYkMxz_Ha52VXu4wbcAIUdZ0RjqbDiPikCau3HEds1oaAvvdEALw_ wcB&gclsrc=aw.ds 4

5. Chiller Platform Controls (add local crashes) Plug Door RIO Enclosure (+24VDC) Plug Door RIO Enclosure (0VDC) E-Stop (Control Room) Plug Door Safety Relay Trips Platform B by energizing with 110VAC the trip coil in DP / CMAG breaker K2 Local Reset (platform) 480VAC PLATFORM A 5

6. Chiller Platform B Power Distribution Plan Power Distribution (in Platform B) XFMR TO LOADS DP Equipment Rack (X2) Chillers 480VAC AH-1 CMAG (Breakers) Controls PCR (E-Stop) Trip Coil is installed 6

7. Equipment Identification for Platform B B A B 7

8. Power Distribution Plan continues CMAG CONDUIT RUN FROM C MAG XFMR PLATFORM B LAYOUT 8

9. Feed run and route/travel path Feeder run from Chiller platform to RR Total length of run from chiller platform to rack room is approximately 175ft. This does not include any contingency. 200ft would be a safe length. 9

10. Chiller Platform B Transformer (Fed by) Xfmr Specs Primary Secondary I Line I Phase 75000VA 480Volts 208Volts 208.1853Amps 120.1923Amps 100 AMP Fuses Not Used Nameplate Info 75KVA High Voltage 480VAC Volts Line to Line Low Voltage 208 VAC Volts Line to Line Low Voltage 120 VAC Volts Line to Neutral 150 C Deg Rise Transformer Rating Not Used 100 AMP Fuses 10

11. Chiller Platform B Panel Board Panel Info Service Voltage: 208Y/120V 3Ph 4W Enclosure: Type 1 125 AMP Frame 42 Pole Name Plate: AH-1 Top Fed 11

12. Chiller Platform B Power Distribution CMAG EXISTING NEW 12

13. Chiller Platform Power Distribution CMAG 13

14. Cable Tray / Grounding Tray grounding/bonding: Methods will follow C-A OPM & NFPA 70 (NEC) Generally speaking A/C tray will have 250 kcmil bare copper ground wire Other tray will be bonded with green #4 AWG Cable Tray Sizing 14

15. Chiller Platform B MVTX Rack CPB_1 In Breaker Panel single phase 110VAC_1PH N N No ON/OFF/RESET control panel No estop ONLY Water leak and smoke detection No Contactor in-line N 15

16. Chiller Platform B INTT Rack CPB_2 In Breaker Panel single phase 110VAC_1PH N N No ON/OFF/RESET control panel No estop ONLY Water leak and smoke detection No Contactor in-line N 16

17. Chiller Platform Update - Networking Modbus Module (Up-to 20 Clients) Chillers send the PLC status metrics over the network via MODBUS over IP and serial to ethernet conversion. Additional sensors are being added to the chiller platform s plumbing to compare against reported values. Status read out will be pushed to PLC and database for immediate and historical use. 17

18. Chiller Platform Update - Networking FD-R80 sPHENIX Collaboration Meeting 18

19. Water Leak Detection FGNet by TTK allows for 3 separate channels for water leak detection. Detection cables are addressable and run through each experiment rack. Cables are also used for detection of coolant leaks from the detector magnets and chiller platform. All data is relayed to the PLC and database through MODBUS over IP. 19

20. Chiller Platform B Smoke Detection Spot Smoke Detection. 20