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The document ceased to be valid since  August 29, 2015 according to Item 1 of the Order of the Government of the Republic of Kazakhstan of August 10, 2015 No. 628

ORDER OF THE GOVERNMENT OF THE REPUBLIC OF KAZAKHSTAN

of July 18, 2012 No. 945

About approval of Rules on prevention of emergency violations in single electric utility system of Kazakhstan and their liquidation

According to the subitem 11) of article 4 of the Law of the Republic of Kazakhstan of July 9, 2004 "About power industry" the Government of the Republic of Kazakhstan DECIDES:

1. Approve the enclosed Rules on prevention of emergency violations in single electric utility system of Kazakhstan and their liquidation.

2. This resolution becomes effective after ten calendar days after the first official publication.

 

 

Prime Minister of the Republic of Kazakhstan

K. Masimov

Approved by the order of the Government of the Republic of Kazakhstan of July 18, 2012 No. 945

Rules on prevention of emergency violations in single electric utility system of Kazakhstan and their liquidation

1. General provisions

1. Rules on prevention of emergency violations in single electric utility system of Kazakhstan and their liquidation (further - Rules) are developed according to the Law of the Republic of Kazakhstan of July 9, 2004 "About power industry". These rules determine procedure for prevention of emergency violations in single electric utility system of Kazakhstan and their liquidation.

2. Orders of the system operator on prevention of emergency violations and their liquidation in single electric utility system are performed by all subjects of the wholesale market of electrical energy of the Republic of Kazakhstan.

3. In these rules the following concepts and determinations are used:

1) liquidation of emergency violation - the transactions directed on:

prevention of development of emergency violations;

elimination of danger to the service personnel and the equipment which is not affected by emergency violation;

recovery of food of consumers and electric power quality (frequency and tension);

creation of the most reliable postemergency scheme of single electric utility system and its separate parts;

clarification of condition of the equipment which is switched-off during emergency violation and possibility of its inclusion in work;

2) prevention of emergency violation - operational or automatic prevention and liquidation of the emergencies connected with threat:

losses of stability of power system;

damages to machinery (inadmissible overload of lines, equipment);

declines in quality of the electric power (unacceptably high or low levels of tension and frequency);

3) the accident mode - the measure entered by the system operator on the respective site of power network in cases of emergency violations for which liquidation it is necessary to include (to switch-off) the generating aggregates or to change active loading of generators of power plants.

2. Procedure for prevention and liquidation of emergency violations

Main requirements

4. The system operator develops the instructions containing operations procedure of operational and dispatching personnel on prevention of emergency violations in single electric utility system and their liquidation in case of:

1) violation of stability of power system;

2) separation of single electric utility system on separately the working parts;

3) to overload of interstate, interregional and regional power lines;

4) loss of considerable part of the generating capacity, damage and shutdown of power lines of 220-500-1150 kilovolts (further - kV);

5) increase/reduction in the frequency;

6) increase/undervoltage.

5. At each level of supervisory control (national dispatch center of the system operator, regional dispatch center, control offices of subjects of the wholesale market of electrical energy) the instruction for prevention, localization and liquidation of emergency violations which is constituted according to the instruction of higher level of supervisory control is developed.

6. Distribution of functions between operational and dispatching personnel of different levels is determined by instructions for prevention, localization and liquidation of emergency violations on the basis of the following basic provisions:

1) the operational and dispatching personnel self-construct all transactions on prevention, localization and liquidation of emergency violations and the prevention of their development if such transactions do not require coordination of actions of operational and dispatching personnel of objects among themselves and will not cause development of emergency violation or delay in its liquidation;

2) the subordinate operational and dispatching personnel inform higher operational and dispatching personnel of the following violations of the mode on the object according to equipment accessory in case of:

automatic shutdowns, inclusions, disappearance of tension, overloads and sharp changes of operating mode of transit power lines and transformers on which communication of power supply networks of different tension is performed;

emergence of the asymmetrical modes on generators, power lines, transformers, undervoltage in control points, inadmissible increase in tension on the equipment, overload of generators, synchronous compensators, operation of devices of automatic control of excitement, automatic frequency unloading, emergence of swings;

external signs of short circuit both at power plant (substation), and near it, about work of protection on shutdown and signal, operation of devices of automatic repeated inclusion, frequency automatic repeated inclusion, automatic inclusion of reserve, regime automatic equipment, about the level of frequency of electric current, about the reasons of shutdown of the equipment, power lines and strictly carries out orders of the higher dispatcher.

7. Management of liquidation of emergency violations is performed as follows:

1) management of liquidation of the emergency violations covering several regions is performed by the dispatcher of national dispatch center of the system operator to single electric utility system;

2) liquidation of the emergency violations affecting operating mode of one region is made under the leadership of the dispatcher of regional dispatch center;

3) the emergency violations in power networks having local value and not affecting working hours of single electric utility system - the dispatcher of the regional power grid organization or the dispatcher of basic substation depending on the area of distribution of such violations and management structure by networks;

4) on substations - the person on duty of substation, operational mobile team, the master or the chief of group of substations depending on type of servicing of substation;

5) at power plant - the shift supervisor of the station.

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