1、5660MW Unit of India APL Power PlantSHANDONG TIEJUN Electric Power engineering CO.LTD Mundra ProjectNo. I preparing for the recover of DCS hardware make sure the safety of body and equipment in the process of power giving. 3. Project QuantityThe sequence of DCS power acceptance: a. Electrical UPS su
2、pply the power to I b. DCS power distributed panel supply power to operator station, duty captain station, control room control platform etc. DCS control panel and DCS system panel; it send power to the whole DCS system. The segment from electric 240VAC to DCS power panel power giving should be afte
3、r factory power reversal. It has no quantity of installation.4. Erection Condition5. Erection Scheme5.1 construction working procedure flow chart:Electric UPS - DCS power distributed panel - DCS and control platform (detail is below).I The plan date of No.5 unit DCS power acceptance is 15/03/2010.Ma
4、npower 1 principal, 2 adjusting personnel, 2 construction personnel.Machines noneTools 2 multimeter, 4 electric test pen, 2 electric iron, personal wiring tool 2 set. Material soldering tin, insulating tape, wire, caution sign etc.I the flow is same. 5.2 Working Procedure CardDCS system power accept
5、ance and power giving No. 01 1. Summarize: the preparation of power acceptance mostly include: the condition before power acceptance; the check after power acceptance; cabinet power giving and acceptance. 2. Operation process:Sequence / ProcessMethod and Operation RequirementQuality Requirement2.1 T
6、he condition of power acceptance and power giving2.1.1 The wire connection of DCS room and CCR system is finished; electric power reversal system cable shield is good; power supply and other wire connection is correct. 2.1.2 All the I earthing construction is finished; inside equipment assembled com
7、pletely. 2.1.3 DCS system joint network is finished. 2.1.4 DCS principal station and operator station installation fill its shoes.2.1.5 DCS power panel to apiece user power circle and electric power reversal are finished. 2.1.6The cable from electric UPS to DCS power panel laying finished and wire c
8、onnection acceptance is eligible.2.1.7 Light in DCS room and CCR is using; Clean and firefight equipment is using. 2.1.8 Checking the type, specification and capacitance of electric equipment in the panel for power acceptance accord design and the load in fact; recording the item fall short of requi
9、rement. 1. Wire connection correctly; marked clearly and intact.2. The type, specification and capacitance of electric equipment in the panel for power acceptance accord design and the load in fact. 3. Before the circuitry checking, cut off the power switch in sequence.4. Wire connection correctly;
10、marked clearly and intact.2.2 Checking before working2.2.1 Before working, must study the technique instruction and safety instruction.2.2.2 Checking the environment of panel, platform and cabinet in DCS room and CCR. 2.2.3Checking the relational control circle and measure circle; ensure circle and
11、signal circle insulating (the work should finished ahead of schedule); checking and switch off the entire switch and make the record. 2.2.4 Checking the electrification equipment and the equipment without power circle and connection.2.2.5 Checking the signal of communication tools. 2.2.6 All the exa
12、mination is ok, then contacted power giving. 1. Study instruction carefully and completely; Be familiar with the whole process and signature.2. Ground is cleaned; light is using; aeration is good; firefight equipment is all ready. 3. Panel, platform and cabinet are clear; indicator and protective so
13、cket are good; equipment No. are clear; mark are in evidence.4. All the electric circle is correct; insulation accord with design.5. Adopt isolated measure.2.3 The distributed panel power acceptance from electric UPS to DCS panel2.3.1 When power acceptance, electric segment and DCS panel every side
14、need 2 person; one operator and one ward person; keep in touch with each other; before electric UPS operate, inform DCS person. 2.3.2 Checking electric UPS voltage is 240VAC or not; the voltage is steady or not. 2.3.3 Switch on the UPS power panel switch; measure the voltage with multimeter; observi
15、ng the equipments is normal or not.2.3.4 Measure the input voltage of DCS distributed panel; Is it240VAC? IS the switch normal? 2.3.5 When electric power reversal is finished, measure the input voltage of DCS distributed panel; Is it240VAC? IS the switch normal?2.3.6 The power switch must be operate
16、d by electrical personnel; dont let other personnel operate. 2.3.7 Make the card: ”power on, NO OPERATION” after switch on the power switch.1. Power switch capacitance accord with design. 2. Make sure 240VAC voltage steadily.3. The equipment for power acceptance is normal.2.4 power giving from I Tur
17、n on the main switch; Observe the switches; are they normal. 2.4.3 Check the switch cabinet of operator station; turn on the power switch. 2.4.4 Check the operator station power, joint network connection; turn on the switches of host computer and display; start the computers.2.4.5 Observing the host
18、 computer and display in operator station is normal or not. 1. Power switch capacitance accord with design. 2. Make sure 240VAC voltage steadily.2. The equipment for power acceptance is normal.2.5 power supply from DCS power panel to DCS control panel GPS 2.5.1 Checking DCS power panel power switch
19、equipment input voltage is normal or not; DCS control panel and GPS connection is normal or not. 2.5.2 Turning on the power switch; checking DCS control panel and GPS input voltage. 1. Checking and affirming the voltage 240VAC is steady.2. The equipment for power acceptance is normal.2.6 Acceptance2
20、.6.1 Power cable wire connection correct rate is 100%; power switch capacitance accord with design. 2.6.2 Test record clearly, data correctly and completely. 1. The insulation of electrical source loop1M. 2. Signal cable shield earthing is good.6.QA check planchecker result date/signatureCheck item
21、descriptionE A OCable wiring is correct or not; cable nameplate is correct or not.Insulating resistance accord with requirement Capacitance of switch accord with design Cable wiring fastness Fireproofing and cover A: Chair engineer; O: Employer7. Safety and civilization erection and environment mana
22、gement7.1 Safety measures7.1.1 All the personnel for power giving must obey command, club together; dont leave or operate at will. 7.1.2 All the personnel for power acceptance and power giving should be familiar with equipment and measure; preparation well for the work. The personnel are familiar wi
23、th operation, measure, checking method and work step.7.1.3 In the process of power acceptance and power giving, enhance the equipment patrol, avoid contingency. 7.1.4 Check the location for power acceptance; disallow the personnel not relate to work entry the site.7.1.5 Hang the caution card when th
24、e equipment is power on; Setting up necessary safety barrier.7.1.6 When the working personnel finish operating, measuring and custody, report in time; if you found abnormity, report it at once. 7.1.7 Dont use the intercom at will in order to ensure the communication is good.7.1.8 Dont operator or me
25、asure at side only yourself. 7.1.9 The equipment for firefighting is enough at site. 7.1.10 Command correctly; operation carefully; measure rapidly and safety. 7.2 Environment safeguard7.2.1 Notice to economize energy sources and material. Cut off power supply off duty to avoid equipment running. 7.
26、2.2 Reclaim the shabby battery and bulb to appointed place. 7.3 Construction safety danger control schedule is in the form above.Construction Safety Danger Control ScheduleConstruction Safety Danger Control ScheduleSerial number: Compile date: 03/30/2009 Edition: A Project name: DCS power acceptance
27、 and power giving Total Page: 1ControlObligation section /man affirmanceNo.Danger descriptionSafety and technology measureGradeMethodOccasionClass SectionProject Signature1 Inaccurate use tools1. Dont use the unqualified electrical tools.2. Dont use the electric test pen slip on the power generatrix
28、.XAAPP2Avoid touching power 1. Check the insulation of power wire and electric meter;2. Break off power before meter wiring; Must have guardian when check the meter; 3. Dont insert the wire to socket directly; XASSTTT3 Fire1. No fireworks, fire extinguisher is enough; 2. After power giving, switch o
29、ff all the illumination power; XWWPPConstruction Safety Danger Control ScheduleSerial number: Compile date: 03/30/2009 Edition: A Project name: DCS power acceptance and power giving Total Page: 1No. Danger descriptionSafety and technology measureGradeControlObligation section /man affirmanceMethodOc
30、casionClass SectionProject Signature4Avoid destroying equipment and injuring body 1. After the power giving over, break off the temporary panel power; Avoid destroying equipment and injuring body2. Mark the sign card: POWER ON, DONT OPERATE.XWWTTNotice: 1. Risk grade: J- Exceeding, G-Important, X- Remarkable, Y- Commonly, S- Little.2. Control way: W- witness, H- stand-down, S- Continuous ward, A- awake.3. Control opportunity: P- Before work, D- Once a day, W- Once a week, T- Often.
