PSM Test

Name

Enrollment Number

Change in load is _____________ change in total fuel cost.

• proportional to
• inversely proportional to
• independent of
• equal to

In gradient method the direction of gradient need not to change for a given optimal power flow problem

• True
• False

DC load flow includes

• reactive power flow
• line losses
• bus angle
• bus voltage magnitude variation

Marginal increase in total generation cost to supply 1 MW additional power at any load bus is termed as

• limited marginal price
• locational marginal price
• locational minimum price
• locational maximum price

With six number of units committed for 24hrs, find the possible combinations of units considering that any one unit can supply the load at any interval and also any combination of units can also supply loads at any interval. NOTE: Load is non zero at each interval

• 1.5282e43
• 2.5282e43
• 1.5282
• 2.5282

For same water discharge the output power of hydel unit will _____________ when gross head decreases.

• increase
• decrease
• remain same

Hydraulic continuity equation depends on spillage at each interval.

• True
• False

Newton's method is faster than gradient method

• True
• False