How to calculate the capacity of fixed energy storage and transmission line?

Considering the installed capacity of scenery in the planning year, the capacity of fixed energy storage and transmission line can be calculated when the proportion of scenery consumption reaches the maximum, which is shown in Table 6 and Table 7.

What is a power transmission network?

Electricity transmission networks are designed to minimize power loss over long distances by transmitting power at high voltage. Power plants generally produce electricity at low voltages (5– 34.5 kilovolts (kV)). “Step up” substations are used to increase the voltage of generated power to allow for transmission over long distances.

What are exploratory cost estimates for substation upgrades and new substations?

Exploratory cost estimates are provided for both substation upgrades and new substations. Bus ratings per voltage class are included in the indicative assumptions and are aligned with the line ratings assumed by MISO for its transmission line project cost estimates. The 765 kV substations include shunt reactors for every line position. 5.

Are high-voltage DC lines suitable for large-scale energy transmission?

High-voltage DC lines for electricity and large diameter pipelines for gaseousand liquid carriers, which are well-established commercial technologies, are analyzed and provide a reasonable set of cases to cover the field of large-scale energy transmission.

Which voltage class is preferred for long distance electricity transmission?

The selected voltage class is 500 kV HVDC with a nominal capacity of 3,000 MW, as high-voltage DC transmission is preferred for long distance electricity transmission.

How many AC/DC substations are included in a transmission line?

Two AC/DC substations, one on each side of the line, are included with the cost for the transmission line. Corresponding substation parameters include a 500 kV substation and HVDC Converter with Ring Bus breakers, 2 transformers per substations, and a 1,500 MVA rating per transformer (Pletka et al., 2014).