Pursuant to Article 116 of the Energy Law

3.2.
CONDITIONS
 
FOR
 
SECURITY
 
AND
 
RELIABILITY
 
OF
 
TRANSMISSION
 
SYSTEM
 
3.2.1.
 
I
NTRODUCTION
 
3.2.1.1. Technical criteria for secure and reliable operation of transmission system that 
govern JSC EMS during planning of the transmission system development are general criteria 
that are relevant for all technical functions that JSC EMS performs based on the law and 
other general acts.
3.2.1.2. The same technical requirments apply when connecting and/or interconnecting the 
facilities to the transmission system, planning the transmission system operation and 
managing the transmission system. 
3.2.2.
 
T
RANSFER CAPACITY
 
3.2.2.1. Transfer capacity, i.e. allowed continuous electrical, thermal load of all overhead 
transmission lines and transformers in grid 400 kV, 220 kV, 110 kV shall be calculated based 
on: 
- technical specifications; 
- expected conditions of operation; 
- techno-economic conditions of exploitation; 
- current state of overhead transmission lines, i.e. transformers. 
3.2.2.2. JSC EMS does the calculation of the transmission capacity of elements of the grid 
400 kV, 220 kV, 110 kV according to:

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- permanently allowed values of phase conductors currents for overhead lines and 
cables;
- values of nominal power, i.e. current for transformers. 
3.2.2.3. It is necessary to dimensionate the entire additional equipment in o/h line and 
transformer bays in the grid 400 kV, 220 kV, 110 kV (like current instrument transformers, 
disconnectors, circuit breakers and other equipment) so that it does not pose limitation to 
transmission capacity in the planned switching state, determined in accordance with the 
provision 3.2.2.2, except when it is not possible to prospectively determine loads that require 
dimensionation of the above mentioned equipment.