Weekend Discussions Archieve

Week – 39 Pre shutdown checks

Question from other TecKXpert group.
What are all the pre shutdown procedures to be done for a control panel???

[6:19 PM, 9/15/2018] TecKXpert Working Committee: Lock out and tag out procedure to be followed

[6:20 PM, 9/15/2018] TecKXpert Working Committee: Proper Thermograph study can be done to find out hot spots

[6:20 PM, 9/15/2018] TecKXpert Working Committee: Pre planning of required spares.

[6:21 PM, 9/15/2018] TecKXpert Working Committee: A through visual inspection is required to ascertain what could be needed as spares.

[6:21 PM, 9/15/2018] TecKXpert Working Committee: It is better to have the entire meters and switch gears serviced and calibrated as per the standard requirements. So coordination with concern companies/ vendors who can carryout these tasks.

[6:22 PM, 9/15/2018] TecKXpert Working Committee: An approx budget to be prepared and get it pre approved from management.

[6:22 PM, 9/15/2018] TecKXpert Working Committee: Proper communication to all the stakeholders involved.

[6:22 PM, 9/15/2018] TecKXpert Working Committee: Develop a process and Training of all the technicians on the process. Including do’s and don’t s

[6:50 PM, 9/15/2018] +91 88612 00939: Communication to all tenants on the pre-planned shutdown and acknowledgement. All critical and essential systems to be put on standby power supply with additional redundancy. Since it’s a planned one, spares, teams, procedures methodology, tools, ppe , LOTO to be followed. After all the regular maintenance, routine tests, like IR, relay protective testing all to be recorded. Set point as per loads, and calculations to be set for protective circuit operations. Thus is called secondary injection testing. Some time primary injection testing is also performed.

[7:38 PM, 9/15/2018] TecKXpert Working Committee: Line voltage identification and it’s source of supply shall be identified (incoming of the supply)

[7:38 PM, 9/15/2018] TecKXpert Working Committee: Incase of XLPE cable after shutdown the static charge shall be discharged.

[7:38 PM, 9/15/2018] TecKXpert Working Committee: Use of PPEs ie electrical rubber hand gloves, goggles for eye protection , safety shoe is must.

[7:38 PM, 9/15/2018] TecKXpert Working Committee: Earthing of the panel shall be checked.

[7:38 PM, 9/15/2018] TecKXpert Working Committee: Only electrical insulated tools and equipment shall be used.

[7:38 PM, 9/15/2018] TecKXpert Working Committee: Ensuring of shutdown of correct line shall be ensured by checking with induction tester. [7:49 PM, 9/15/2018] +91 88700 36763: Before taking shutdown activity we should conduct tool box meeting regarding LOTO system, PPE, Discharge system, warning notice etc.,

[10:12 PM, 9/15/2018] TecKXpert Working Committee: Good points sir

[10:40 PM, 9/15/2018] Ramachandran Avon: 1.Earth wire 4 no’s with both side crocodile clip to be made ready for incomers connected throughout the shutdown to prevent any accidental supply charged in the other side
2. Counting of number of tools before and after work
3. Briefing and Debriefing the team.
4. Work schedule preparation in advance and follow the time lines during execution

[8:17 AM, 9/16/2018] TecKXpert Working Committee: 1.Earth wire 4 no’s with both side crocodile clip to be made ready for incomers connected throughout the shutdown to prevent any accidental supply charged in the other side
2. Counting of number of tools before and after work
3. Briefing and Debriefing the team.
4. Work schedule preparation in advance and follow the time lines during execution

[8:17 AM, 9/16/2018] TecKXpert Working Committee: Review previous lesson learnt, Make a note of all ACB, MCCB OL settings. Especially in the UPS circuit and ensure before powering up the load, ensure all these switch gears are set to the same settings, Keep one dedicated vehicle for emergency, And keep some cash and approval for emergency purchase, Create a command center and insist all observations either small or big to communicate to command center and ensure all these observations are addressed before handing over to business

[8:17 AM, 9/16/2018] TecKXpert Working Committee: Drawings and knowledge of past history.

[8:17 AM, 9/16/2018] TecKXpert Working Committee: * HT/LT breaker service vendor & UPS vendor may requires during the shutdown activities ,

[8:19 AM, 9/16/2018] TecKXpert Working Committee: Above points are for the below question asked.

Question from other TecKXpert group.

What are all the pre shutdown procedures to be done for a control panel???

[8:28 AM, 9/16/2018] +91 94437 20220:
https://energy-economictimes-indiatimes-com.cdn.ampproject.org/c/s/energy.economictimes.indiatimes.com/amp/news/power/energy-efficiency-labelling-of-chillers-to-help-save-500-million-units-of-electricity-in-2019/65820639

[8:28 AM, 9/16/2018] +91 94437 20220: right move especially inthe commercial buildings which consume more than 50 % in many cases, energy inefficient equipment, and poorly installed, operated in wrong regions.

Page: 1 2 3 4 5 6 7 8 9