MINISTRY OF INDUSTRY AND TRADE | SOCIALIST REPUBLIC OF VIETNAM |
No. 08/QD-DTDL | Hanoi, March 14, 2013 |
DECISION
ON PROMULGATION OF THE PROCEDURE FOR PLANNING THE MAINTENANCE AND REPAIR OF ELECTRICAL EQUIPMENT OF ELECTRICITY TRANSMISSION SYSTEM
DIRECTOR OF ELECTRICITY REGULATORY AUTHORITY
Pursuant to the Government's Decree No. 95/2012/ND-CP dated November 12, 2012, defining the functions, tasks, powers and organizational structure of the Ministry of Industry and Trade;
Pursuant to the Prime Minister’s Decision No. 153/2008/QD-TTg dated November 28, 2008 defining the functions, tasks, powers and organizational structure of Electricity Regulatory Authority, which is affiliated to the Ministry of Industry and Trade;
Pursuant to the Circular No. 12/2010/TT-BCT dated April 15, 2010 of the Ministry of Industry and Trade on electricity transmission system
At the request of the Manager of the Department of Demand - Supply Balance Supervision and Planning,
DECIDES:
Article 1. Promulgating together with this Decision the Procedure for planning the maintenance and repair of electrical equipment of electricity transmission system, providing guidance on the implementation of the Circular No. 12/2010/TT-BCT dated April 15, 2010 of the Ministry of Industry and Trade on electricity transmission system.
Article 2. This Decision takes effect from the day on which it is signed.
Article 3. The Chief of the Office, managers of departments of Electricity Regulatory Authority, the Director of EVN, Directors of electricity supply units and relevant units are responsible for the implementation of this Decision./.
| DIRECTOR |
PROCEDURE
PLANNING THE MAINTENANCE AND REPAIR OF ELECTRICAL EQUIPMENT IN THE ELECTRICITY TRANSMISSION SYSTEM
(Promulgated together with the Decision No. 08/QD-DTDL dated March 14, 2013 of the Director of Electricity Regulatory Authority)
This Procedure deals with the procedure for planning the maintenance and repair of electrical equipment of the electrical grids and power plants in the electricity transmission system.
a) Ensure the safe, stable, reliable, and economic operation of the whole system;
b) Balance the generating capacity and load, maintain sufficient spare capacity, energy, and ancillary services necessary for assurance of security of electricity supply of the whole system;
c) Optimize the combination of maintenance and repair of electrical equipment and fulfillment of requirements for irrigation, flood prevention, and supply of primary fuel for generation;
d) Short-term plans for maintenance and repair must be made based on a long-term plan for maintenance and repair;
dd) Spare capacity and energy must be as high as possible during peak hours. Maintenance and repair should be scheduled for the days with low load profiles or off-peak hours;
e) Avoid suspension and reduction of electricity supply of the electricity system; avoid carrying out maintenance and repair during special political or cultural events.
a) Electricity system and market operator (ESMO) shall make plans for maintenance and repair of equipment of the electrical grids and power plants in the electricity transmission system, including plans for maintenance and repair the transmission grid and the power plants connected to the transmission grid, the power plants the installed capacity of which is over 30 MW that are connected to the distribution grid in order to serve the planning of electricity transmission system operation in accordance with Appendix 10 of this Procedure.
b) The transmission network operator, generating units, electricity distributors, and direct users must comply with the guidance and the plans for maintenance and repair of equipment of electrical grids and power plants made by ESMO.
b) ESMO must assess the impact of the plans for maintenance and repair of equipment of electrical grids and power plants registered by the transmission network operator, generating units, electricity distributors, and direct users on the security of electricity supply in accordance with the Procedure for assessment of midterm and short-term assessments of electricity system security.
1. Remove the equipment of the power plant that has higher priority.
2. Remove the equipment of the power plants in order to minimize the expenditure on electricity purchase of the whole system.
3. If more than one request for removal of equipment for maintenance or repair are made, which have the same effect on the generating prices incurred by end users, the request that is made first will be favored.
1. Plans for maintenance and repair shall be changed at the request of the transmission network operator, generating units, electricity distributors, and direct users in the following cases:
2. Article 7. Cases in which the plans for maintenance and repair are changed at the request of CLDC to ensure the electricity system security when:
Article 8. Procedure for adjusting maintenance and repair plans
1. Adjusting maintenance and repair plans in the cases mentioned in Clause 1 Article 7 of this Procedure:
a) The transmission network operator, generating units, electricity distributors, and direct users must provide explanation for the adjustments and apply for another registration of the maintenance and repair plan with CLDC;
b) CLDC shall consider the accountability of units and adjust the maintenance and repair plan to the new registration;
c) If the explanation for the adjustments is not satisfactory, CLDC is entitled to request the units to implement the approved plan.
2. Adjusting maintenance and repair plans in the cases mentioned in Clause 2 Article 7 of this Procedure:
a) According to the assessment of electricity system security, CLDC shall notify and explain the refusal of the maintenance and repair plan;
b) The units affected by such refusal are entitled to suggest adjustments to the maintenance and repair plan to CLDC within 07 days;
c) The units affected shall apply for another registration of the maintenance and repair plan with CLDC at least 48 hours before the removal of equipment, including planned and unplanned repairs;
b) When requirements for system security are satisfied, CLDC must cooperate with units to approve the adjusted maintenance and repair plan.
Article 9. Registration of removal of equipment for maintenance and repair
1. Before equipment is removed for maintenance and repair, the transmission network operator, generating units, electricity distributors and direct users must submit the application for registration of maintenance and repair plan and the registration sheet to CLDC.
2. The removal of equipment for maintenance and repair is classified as follows:
a) Registration of planned maintenance and repair is registration of removal of equipment for maintenance or repair according to a maintenance and repair plan made by ESMO;
b) Registration of unplanned maintenance and repair is registration of removal of equipment for maintenance or repair without following a maintenance and repair plan made by ESMO;
c) Registration of unscheduled maintenance and repair is registration of removal of operating equipment that is likely to breakdown for maintenance or repair.
dd) Intended time of removal and reinstallation of equipment;
PROCEDURE FOR PLANNING MAINTENANCE AND REPAIR OF POWER PLANTS
SECTION 1. ANNUAL PLANS FOR MAINTENANCE AND REPAIR OF POWER PLANTS
Article 10. Contents of registration of annual plans for maintenance and repair of power plants
Article 12. Procedure for settlement and announcement of annual plans for maintenance and repair of power plants of the whole system
SECTION 2. MONTHLY PLANS FOR MAINTENANCE AND REPAIR OF POWER PLANTS
Article 13. Contents of registration of monthly plans for maintenance and repair of power plants
1. By the 15th every month, based on the annual plan for maintenance and repair of power plants that has been approved, the requirements for maintenance and repair, and necessary adjustments, the generating units shall send CLDC:
a) A registration of the plan for maintenance and repair of power plants for the next month and intended adjustments to the maintenance and repair plan (if any) for the remaining months of the year (the form in Appendix 3 to this Procedure);
b) A registration sheet for the next month (Appendix 9 to this Procedure).
2. The generating unit shall contact CLDC to confirm the registration.
Article 15. Procedure for settlement and announcement of monthly plans for maintenance and repair of power plants
a) The plan for maintenance and repair of power plants for the next month and intended adjustments to the maintenance and repair plan (if any) for the remaining months of the year that has been settled (the form in Appendix 4 to this Procedure);
b) The registration sheet for the next month that has been settled (the form in Appendix 9 to this Procedure).
SECTION 3. WEEKLY AND DAILY PLANS FOR MAINTENANCE AND REPAIR OF POWER PLANTS
If the plan for maintenance and repair of power plants made by the generating unit for the next two week is not changed, the generating unit shall carry out the maintenance and repair according to the approved plan without submitting a registration of maintenance and repair plan and registration sheet to CLDC.
Article 17. Procedure for adjusting the maintenance and repair plan at the request of the generating unit
Where the plan for maintenance and repair of power plants made by the generating unit for the next two week is changed in comparison to the approved plan:
1. By 3.00 pm of Tuesday of week W, the generating unit shall send the registration sheet for the next 02 weeks (weeks W+1 and W+2) to CLDC using the form in Appendix 9 of this procedure, which provides explanation for the adjustments.
After the registration sheet is sent, the generating unit shall contact CLDC to confirm the registration and reach an agreement on the adjustmentsto the maintenance and repair plan.
If the explanation for the adjustments is not satisfactory, CLDC is entitled to request the implementation of the approved plan.
2. After receiving the registration sheet from the generating unit, CLDC shall prepare a database and carry out a short-term assessment of electricity system security.
3. According to the short-term assessment of electricity system security, CLDC shall consider the requests for adjustments to the maintenance and repair plan made by generating units in accordance with Articles from 4 to 8 of this Procedure in order to minimize the impact on electricity supply security of the whole system.
4. By 3.00 pm of Thursday of week W, CLDC shall send the adjusted registration sheet for the next 02 weeks that has been settled to the generating unit (the form in Appendix 9 to this Procedure).
Article 18. Procedure for adjusting the maintenance and repair plan at the request of CLDC
Based on the result of the short-term assessment of electricity system security, if the maintenance and repair of power plants cannot be carried out according to the approved plan as prescribed in Article 4 of this Procedure due to the occurrence of threats to electricity system security, then:
Article 19. Unscheduled maintenance and repair
If the registration of unscheduled maintenance and repair cannot be applied on schedule as prescribed in Clause 1 Article 17 of this Procedure, the generating unit shall directly contact CLDC to schedule the maintenance and repair for suitable time.
Article 20. Change of finishing time of maintenance and repair
1. Where the maintenance and repair can be finished sooner than the approved plan, the generating unit shall send a written notification of such change to CLDC right after the intended finishing time of the maintenance and repair is determined, then contact CLDC to confirm the notification.
2. Where the maintenance and repair is likely to be finished later than the approved plan:
a) The generating unit shall send a registration sheet (the form in Appendix 9 to this Procedure) right after the intended finishing time of the maintenance and repair, then contact CLDC to confirm the registration and reach an agreement on the change to the maintenance and repair plan.
b) The time to notify changes:
- 48 hours before the maintenance and repair is finished if the registered period is longer than 06 days;
- 24 hours before the maintenance and repair is finished if the registered period is from 04 to 06 days;
- 10 hours before the maintenance and repair is finisued if the registered period is shorter than 04 days;
- Right after the occurrence of the causes for the extension if the maintenance and repair is intended to be done within the day.
PROCEDURE FOR PLANNING MAINTENANCE AND REPAIR OF ELECTRICAL GRIDS
1. The transmission network operator, generating units, electricity distributors, and direct users shall register the plans for maintenance and repair of the electrical grids under their management with CLDC.
2. CLDC shall make plans for maintenance and repair plan of the electrical grid of the whole system based on the plans for maintenance and repair of electrical grids registered by the transmission network operator, generating units, electricity distributors, and direct users, the submit such plan to EVN for approval.
Article 22. Contents of registration of plan for maintenance and repair of equipment of electrical grids
SECTION 1. ANNUAL PLANS FOR MAINTENANCE AND REPAIR OF ELECTRICAL GRIDS
Article 23. Registration of annual plans for maintenance and repair of electrical grids
Article 24. Procedure for settlement and announcement of annual plans for maintenance and repair of electrical grids of the whole system
SECTION 2. MONTHLY PLANS FOR MAINTENANCE AND REPAIR OF ELECTRICAL GRIDS
Article 25. Registration of monthly plans for maintenance and repair of electrical grids
1. By the 15th every month (month M), based on the annual plan for maintenance and repair of electrical grids that has been approved, the transmission network operator, generating units, electricity distributors, and direct users shall send CLDC:
a) A registration of the plan for maintenance and repair of electrical grids in the next month (month M+1) and intended adjustments to the maintenance and repair plan (if any) for the remaining months of the year (the form in Appendix 6 to this Procedure);
b) A registration sheet for the next month (M+1) under the form in Appendix 9 to this Procedure.
Article 26. Procedure for settlement and announcement of monthly plans for maintenance and repair of electrical grids
a) The plan for maintenance and repair of electrical grids in the next monthand intended adjustments to the maintenance and repair plan (if any) for the remaining months of the year (the form in Appendix 7 to this Procedure);
b) The registration sheet for the next month that has been approved (the form in Appendix 9 to this Procedure).
SECTION 3. WEEKLY AND DAILY PLANS FOR MAINTENANCE AND REPAIR OF ELECTRICAL GRIDS
Where the plan for maintenance and repair of electrical grids for the next 02 weeks made by the transmission network operator, generating unit, electricity distributor, or direct user is not changed in comparison to the approved plan, the transmission network operator, generating unit, electricity distributors or direct user shall implement the approved maintenance and repair plan without being required to send a registration of maintenance and repair plan and a registration sheet to CLDC.
Article 28. Adjustments to maintenance and repair plans changed at the request of the transmission network operator, generating units, electricity distributors, and direct users
Where the plan for maintenance and repair of electrical grids for the next 02 weeks made by the transmission network operator, generating unit, electricity distributor, or direct user is changed in comparison to the approved plan:
1. By 3.00 pm of Tuesday of week W, the transmission network operator, generating unit, electricity distributor, or direct user shall send registration sheet for the next 02 weeks (W+1 and W+2) to CLDC and provide explanation for the adjustments(the form in Appendix 9 to this Procedure).
After the registration sheet is sent, the transmission network operator, generating unit, electricity distributor, or direct user shall contact CLDC to confirm the registration and reach an agreement on the adjustments to the maintenance and repair plan.
If the explanation for the adjustment is not satisfactory, CLDC is entitled to request implementation of the approved plan.
2. After receiving the registration sheet from the transmission network operator, generating unit, electricity distributor, or direct user, CLDC shall prepare the database and carry out a short-termassessment of system security.
3. According to result of short-term assessment of system security, CLDC shall consider the adjustments to the maintenance and repair plan requested by the transmission network operator, generating unit, electricity distributor, or direct user in accordance with Articles from 4 to 8 of this Procedure in order to minimize the impact on electricity supply security of the whole system.
4. By 3.00 pm of Thursday of week W, CLDC shall send the adjusted registration sheet for the next 02 weeks that has been settled to the transmission network operator, generating unit, electricity distributor, or direct user (the form in Appendix 9 to this Procedure).
Article 29. Adjustments to maintenance and repair plans at the request of CLDC
Based on the result of the short-term assessment of electricity system security, if the maintenance and repair of electrical grids cannot be carried out according to the approved plan as prescribed in Article 4 of this Procedure due to the occurrence of threats to electricity system security, then:
1. CLDC shall notify the transmission network operator, generating unit, electricity distributor, or direct user of the reasons for adjustments and the suggested adjustments to the maintenance and repair plan (using the form in Appendix 8 of this Procedure) within 05 working days according the regulations in Articles from 4 to 8 of this Procedure.
2. After reaching a consensus on the adjusments to the maintenance and repair plan as prescribed in Article 7 and Article 8 of this Procedure, the transmission network operator, generating unit, electricity distributor or direct user shall send the registration sheet for electrical grid operation according to the adjusted maintenance and repair plan to CLDC (the form in Appendix 9 to this Procedure), then contact CLDC to confirm the registration.
3. By 3.00 pm of Thursday of week W, CLDC shall send the adjusted registration sheet for the next 02 weeks (W+1 and W+2) that has been settled to the transmission network operator, generating unit, electricity distributor, or direct user (the form in Appendix 9 to this Procedure), then send a report to EVN and Electricity Regulatory Authority on the reasons for adjustments.
If the registration of maintenance and repair cannot be applied on schedule as prescribed in Clause 1 Article 29 of this Procedure, the transmission network operator, generating unit, electricity distributor, or direct user shall directly contact CLDC to schedule the maintenance and repair for suitable time.
1. Where the maintenance and repair can be finished sooner than the approved plan, the transmission network operator, generating unit, electricity distributor, or direct user shall send a written notification of such change to CLDC right after the intended finishing time of the maintenance and repair is determined, then contact CLDC to confirm the notification.
2. Where the maintenance and repair is likely to be finished later than the approved schedule:
a) The transmission network operator, generating unit, electricity distributor, and direct user shall send the adjusted registration sheet to CLDC (the form in Appendix 9 to this Procedure) right after the intended time to finish the maintenance and repair is determined, then contact CLDC to confirm the registration and reach an agreement on the maintenance and repair plan.
b) The time to send the registration sheet:
- 48 hours before the maintenance and repair is finished if the registered period is longer than 06 days;
- 24 hours before the maintenance and repair is finished if the registered period is from 04 to 06 days;
- 10 hours before the maintenance and repair is finished if the registered period is from 02 to 03 days;
- Right after the occurence of the causes for the extension if the maintenance and repair is intended to be done within the day./.
REGISTRATION OF ANNUAL PLANS FOR MAINTENANCE AND REPAIR OF POWER PLANTS
| Competent load dispatch center Tel: Fax: | From: | Name of generating unit Tel: Fax: |
REGISTRATION OF ANNUAL PLANS FOR MAINTENANCE AND REPAIR OF POWER PLANTS
Registration No. | : |
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Applicant | : |
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Year | : |
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1. Maintenance and repair plan for the next 02 years
Name of generating station | Time | Reasons | Notes | ||
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2. Maintenance and repair plan for the next 03 years
Name of generating station | Time | Reasons | Notes | ||
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3. Notes
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Applicants:
Full name: _________ Signature: (seal)_______ Date: ____________
Position: _________
ANNOUNCEMENT OF ANNUAL PLAN FOR MAINTENANCE AND REPAIR OF POWER PLANTS
| Name of generating unit Tel: Fax: | From: | Competent load dispatch center Tel: Fax: |
ANNOUNCEMENT OF ANNUAL PLANS FOR MAINTENANCE AND REPAIR OF POWER PLANTS
Announcement No. | : |
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Generating units | : |
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Year | : |
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1. Maintenance and repair plan for the next 02 years
Name of generating station | Time | Notes | ||
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2. Notes
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Announcer:
Full name: _________ Signature: ___________ Date: ____________
Position: _________
REGISTRATION OF MONTHLY PLANS FOR MAINTENANCE AND REPAIR OF POWER PLANTS
| Competent load dispatch center Tel: Fax: | From: | Name of generating unit Tel: Fax: |
REGISTRATION OF MONTHLY PLANS FOR MAINTENANCE AND REPAIR OF POWER PLANTS
Registration No. | : |
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Applicant | : |
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Month | : | ___/_______ |
1. Maintenance and repair plan for the next month
Name of generating station | Time | Reasons | Notes | ||
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2. Adjustments to maintenance and repair plans for the remaining months of the year
Name of generating station | Adjusted time | Approved time | Reasons for adjustments | ||||
| From | To | Form of repair | From | To | Form of repair |
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3. Notes
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Applicants:
Full name: _________ Signature: ___________ Date: ____________
Position: _________
ANNOUNCEMENT OF MONTHLY PLANS FOR MAINTENANCE AND REPAIR OF POWER PLANTS
| Name of generating unit Tel: Fax: | From: | Competent load dispatch center Tel: Fax: |
ANNOUNCEMENT OF MONTHLY PLANS FOR MAINTENANCE AND REPAIR OF POWER PLANTS
Announcement No. | : |
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Generating units | : |
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Month | : | ___/_______ |
1. Maintenance and repair plan for the next month
Name of generating station | Time | Reasons | Notes | ||
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2. Adjustments to maintenance and repair plans for the remaining months of the year
Name of generating station | Adjusted time | Approved time | Reasons for adjustments | ||||
| From | To | Form of repair | From | To | Form of repair |
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3. Notes
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Announcer:
Full name: _________ Signature: ___________ Date: ____________
Position: _________
REQUEST FOR ADJUSTMENTS TO POWER PLANT MAINTENANCE AND REPAIR PLAN
| Name of generating unit Tel: Fax: | From: | Competent load dispatch center Tel: Fax: |
NOTIFICATION OF ADJUSTMENTS TO POWER PLANT MAINTENANCE AND REPAIR PLAN
Notification No. | : |
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Generating units | : |
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Month | : | ___/_______ |
1. Adjustments to maintenance and repair plan
Name of generating station | Adjusted time | Approved time | Adjusted documents | Reasons for adjustments | ||||
| From | To | Form of repair | From | To | Form of repair |
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2. Notes:
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Notifier:
Full name: _________ Signature: ___________ Date: ____________
Position: _________
REGISTRATION OF ELECTRICAL GRID MAINTENANCE AND REPAIR PLAN
| Competent load dispatch center Tel: Fax: | From: | Name of applicant Tel: Fax: |
REGISTRATION OF ELECTRICAL GRID MAINTENANCE AND REPAIR PLAN
(Registration number: ............... ) [ ] Annual operation (..…..)
[ ] Monthly operation (from ............... to ......................)
No. | Name of equipment, line | Beginning time | Finishing time | Tasks | Reasons | Notes (adjustments, issues, etc.) |
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Applicants:
Full name: _________ Signature: ___________ Date: ____________
Position: _________
ANNOUNCEMENT OF REGISTRATION OF ELECTRICAL GRID MAINTENANCE AND REPAIR PLAN
| Name of applicant Tel: Fax: | From: | Competent load dispatch center Tel: Fax: |
ANNOUNCEMENT OF ELECTRICAL GRID MAINTENANCE AND REPAIR PLAN
(Announcement No. ............... )
[ ] Annual operation (..…..)
[ ] Monthly operation (from ............... to ......................)
No. | Name of equipment, line | Beginning time | Finishing time | Tasks | Notes (adjustments, issues, etc.) |
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Announcer:
Full name: _________ Signature: ___________ Date: ____________
Position: _________
REQUEST FOR ADJUSTMENTS TO ELECTRICAL GRID MAINTENANCE AND REPAIR PLAN
| Name of the transmission network operator, generating unit, electricity distributor, or direct user Tel: Fax: | From: | Competent load dispatch center Tel: Fax: |
NOTIFICATON OF ADJUSTMENTS TO ELECTRICAL GRID MAINTENANCE AND REPAIR PLAN
Announcement No. | : |
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Transmission network operator, generating unit, electricity distributor, or direct user | : |
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Month | : | ___/_______ |
1. Adjustments to maintenance and repair plan
Name of equipment, line | Adjusted time | Approved time | Adjusted documents | Reasons for adjustments | ||||
| From | To | Form of repair | From | To | Form of repair |
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2. Notes:
………………………………………………………………………………………………………
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Notifier:
Full name: _________ Signature: ___________ Date: ____________
Position: _________
REGISTRATION SHEET FOR INTERVENTION IN POWER PLANTS AND ELECTRICAL GRIDS
| Name of applicant Tel: Fax: | To: | Competent load dispatch center Tel: Fax: |
REGISTRATION SHEET
No. ................../......[year]............
Name of power plant, substation, line:
.................................................................................................................................
Name of equipmen, line:
.................................................................................................................................
Manner of intervention: [ ] Planned[ ] Unplanned [ ] Responding to threat
.................................................................................................................................
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Primary task:[ ] Repair[ ] Experiment[ ] Connection
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Intervention period:
From..........................................................[ ] Throughout the register period
To ...............................................................[ ] Every day from ........ to ………
Requirements related to the intervention:[ ] Power cut [ ] Grounding [ ] No power cut
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Applicants:
Full name: _________ Signature: ___________ Date: ____________
Position: _________
Decision of ................... (name of the competent load dispatch center).
[ ] Registration approved[ ] Delay due to threats to electricity system security
[ ] Change of time:[ ] Implement the Registration sheet No. ....
From..........................................................[ ] Throughout the register period
To ...............................................................[ ] Every day from ........ to ………
Notes: ………..........................................................................................................
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Decision issuer:
Full name: _________ Signature: ___________ Date: ____________
Position: _________
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