rfe dprk rk power grid interconnection sergei podkovalnikov energy systems institute irkutsk russia l.
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“RFE-DPRK-RK” POWER GRID INTERCONNECTION Sergei Podkovalnikov Energy Systems Institute, Irkutsk, Russia. Introduction Overview of RFE, DPRK and RK power systems Potential route Preliminary costs-benefit analysis Inferences. Power Grid Map of the Russian Far East.

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rfe dprk rk power grid interconnection sergei podkovalnikov energy systems institute irkutsk russia
“RFE-DPRK-RK” POWER GRID INTERCONNECTION Sergei PodkovalnikovEnergy Systems Institute, Irkutsk, Russia
  • Introduction
  • Overview of RFE, DPRK and RK power systems
  • Potential route
  • Preliminary costs-benefit analysis
  • Inferences

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

power grid map of the russian far east
Power Grid Map of the Russian Far East

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

features of the rfe power system i
Features of the RFE Power System. I
  • Current generating capacity - 7 GW, electricity consumption - 24 TWh/year, frequency - 50 Hz
  • Maximum electric load comes in winter, summer load valley is quite deep
  • Electricity consumption is unevenly distributed on the territory with large share falling on the South
  • Hydropower capacity is developed in the West, new HPPs are to be commissioned there
  • Thermal power capacity dominates in the East and South, nuclear power capacity is expected to be developed in the South for meeting domestic electricity needs and exporting electricity

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

features of rfe power system ii
Features of RFE Power System. II
  • There is currently excess of power generating capacity unevenly allocated on the territory, in 2005-2010 it is expected to be exhausted
  • There is lack of maneuverable generating capacity for meeting cycling electric load of consumers in the South
  • Backbone power transmission grid of highest voltage is not well developed and planned to be reinforced
  • Major direction of power flows in EPS is east-southward, and it is expected to remain for the future
  • There are currently no power grid connections between RFE and DPRK EPSs

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

power grid map of rk
Power Grid Map of RK

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

features of rk power system i
Features of RK Power System. I
  • Current generating capacity - 49 GW, electricity consumption - 224 TWh/year, frequency - 60 Hz
  • Maximum electric load comes in summer
  • Electricity consumption is unevenly distributed on the territory of the EPS with very large share falling on Seoul metropolitan area
  • Nuclear power capacity is being further developed as major source of electricity production, though other sources of electricity play important role in meeting growing power demand

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

features of rk power system ii
Features of RK Power System. II
  • There are difficulties in siting new power facilities
  • Backbone power transmission grid of highest voltage is well developed and being reinforced by transmissions of higher voltage
  • Major direction of power flows via backbone transmission grid is northward, with this being expected to remain for the future
  • There are no power grid connections between RK and DPRK EPSs

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

power grid map of dprk
Power Grid Map of DPRK

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

features of dprk power system i
Features of DPRK Power System. I
  • Current generating capacity - 9.5 GW, electricity consumption - 29 TWh/year, frequency - 60 Hz, though there is reportedly an area in the West of country operating with 50 Hz
  • Maximum electric load comes in winter
  • Electricity consumption is unevenly distributed on the territory of the EPS with large share falling on Pyongyang metropolitan area
  • Hydropower capacities being major source of electricity are located in North and Northeast of the country

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

features of dprk power system ii
Features of DPRK Power System. II
  • Nuclear power capacity is being developed
  • Major direction of power flows via backbone transmission grid is roughly estimated to be southward
  • There are currently no power grid connections with adjacent RFE and RK EPSs
  • Power statistics is scarce and controversial

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

significant issues for rfe dprk rk power grid interconnection i
Significant Issues for “RFE-DPRK-RK” Power Grid Interconnection. I
  • Diversity of yearly maximum load in EPSs of RFE, DPRK and RK may bring about substantial benefits while interconnecting those EPSs
  • Difficulties in siting power facilities in RK may be alleviated by receiving electricity from interstate interconnected power grid
  • DPRK hydropower maneuverable capacity may meet cycling electric load of consumers in RK and South of RFE
  • Delivering electricity from power grid interconnection to the electric load centers in DPRK and RK may relieve constrains in domestic electricity grids
  • EPSs operate at different frequencies

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

significant issues for rfe dprk rk power grid interconnection ii
Significant Issues for “RFE-DPRK-RK” Power Grid Interconnection. II
  • There is no any interstate power transmission infrastructure among RFE, DPRK and RK
  • Attaining benefits from power interconnection in full scale requires bulk power exchange among RFE, DPRK and RK
  • Using domestic power infrastructure along with intersystem links to be constructed for bulk power exchange is impossible; domestic power grids may be used for distributing incoming power flows and collecting flows, being sent out to the power grid interconnection
  • Interconnection of RFE, DPRK and RK EPSs requires bulk power DC transmission infrastructure to be constructed

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

map of railroads of the south of rfe dprk and rk
Map of railroads of the South of RFE, DPRK and RK

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

the scheme of rfe dprk rk electric tie
The Scheme of «RFE-DPRK-RK» Electric Tie

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

the method of study
The Method of Study

CostJointEPSs >=< CostSeparateEPSs

Costs are optimal values of the objective function of ORIRES Model comprising annualized investment for development of generating and transmitting capacities and yearly maintenance and fuel cost at joint and separate operation of RFE, DPRK and RK power systems

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

slide16

RFE

8.8

16

DPRK

RK

0.4

6.7

Electricity Exchange via ISET «RFE-DPRK-RK», Bln.kWh/year

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

commissioning new capacities gw
Commissioning New Capacities, GW

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

costs for new capacities
Costs for New Capacities

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

cost for rfe dprk rk iset
Cost for “RFE-DPRK-RK” ISET

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

estimation of complex economic benefit
Estimation of Complex Economic Benefit

Complex Economic Benefit = Revenue from Electricity Export + Cost of Capacity Saving – Cost for Additional Capacity Commissioning – Cost for Electricity Import

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

sharing economic benefit mln year
Sharing Economic Benefit, $ Mln./year

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

electricity production cost and tariff reduction
Electricity Production Cost and Tariff Reduction

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

benefit of reliability improvement
Benefit of Reliability Improvement

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

environmental benefit
Environmental benefit
  • Wider utilization of non-fossil fuel sources of electricity (in particular, hydropower plants)
  • Decrease of environmental impact from domestic power plants in electricity importing countries
  • Alleviation of environmental burden in peak hours and seasons when pollution is highest owing to seasonal diversity power exchange

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

inferences i
Inferences. I
  • Power systems of RFE, DPRK and RK are mutually supplementary
  • Interconnection of RFE, DPRK and RK requires construction of new bulk power DC transmission infrastructure
  • There is quite developed transport and power grid infrastructure along the larger part of potential route of the ISET
  • Power grid interconnection “RFE-DPRK-RK” is expected to bring about high economic benefit for all participating countries
  • There already exists methodology and software for studying prospective power grid interconnections in NEA

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China

inferences ii
Inferences. II
  • Sharing verified input data among countries engaged in power interconnection is needed.
  • There seems to be compliance among Russia, DPRK and RK about expediency of the study of “RFE-DPRK-RK” ISET
  • Conditions appear to be mature for complex international pre-feasibility study for the “RFE-DPRK-RK” ISET, with technical, economic, reliability, environmental and institutional issues being examined

2nd Workshop on PGI in NEA, May 6-8 2002, Shenzhen, China