Surgil ESIA Report - Volume III - EKN
Surgil ESIA Report - Volume III - EKN
Surgil ESIA Report - Volume III - EKN
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“O’ZLITINEFTGAZ” PC<br />
PFS “<strong>Surgil</strong> field complex costruction with valuable<br />
components retrieval”<br />
2.9 INFRASTRUCTURE OBJECTS<br />
Power supply and electrochemical protection<br />
Technological process on <strong>Surgil</strong> CGTU is continuous. According to RD 51-122-87<br />
and PUE-86g, collectors of CGTU by degree of power supply reliability concern to I<br />
category consumers.<br />
Total loads according to the executed calculations make:<br />
Table 10 - Design loads<br />
Name<br />
Installed capacity,<br />
kV<br />
Design<br />
capacity,<br />
kV<br />
Annual electric<br />
power consumption<br />
thous.kV.h.<br />
CGTU primary function zone 256.66 188.56 859.376<br />
CGTU secondary function zone 165.75 116.37 367.17<br />
EСCP GGS -1. 2. 3 45 45 394.2<br />
EСCP of wells loops 144 144 1261.44<br />
Pump station over artesian well 22 13.64 143.00<br />
Total 633.41 507.57 3025.186<br />
Because of absence in the region of CGTU area construction of reliable source for<br />
power supply of CGTU, EСCP consumers, there is provided installation of own source of<br />
power supply on the area - gas-piston power stations of РG475В mark, made by FG Wilson<br />
company, by capacity of 380kW in number of 3 sets.<br />
For power supply of pump station over artesian wells there is provided by the project<br />
the installation of packaged switchyard MKTP-63/10/0.4U1 with transformer by capacity<br />
63kVA on each well. External power supply is feed from OTL 10kV of EСCP gas pipeline<br />
and condensate line of <strong>Surgil</strong> CGTU– Akchalak GCC.<br />
The main consumers of the electric power of CGTU area are: motors of technological<br />
installations (pumps, fans, electric gate valves of pipelines); CEA devices; electric lighting<br />
installations. Motors are, basically, asynchronous, with a short-circuited rotor for voltage<br />
380V AC. They are completed on the basis of required power of mechanisms. Motors<br />
version is accepted depending on environment of premises and external installations (in the<br />
normal, protected and explosion-proof versions).<br />
Voltage of the power electric equipment network is 380/220V. Voltage of lighting<br />
network is 220V.<br />
<strong>Volume</strong> 2. Part 1. EIS Project for <strong>Surgil</strong> field construction<br />
56
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