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The synchronous machine is operating at a normal condition at the generating system, then the angle between rotor axis and the stator magnetic axis is _____________
The synchronous machine is operating at a normal condition at the generating system, then the angle between rotor axis and the stator magnetic axis is constant.
The synchronous machine is operating at a normal condition at the generating system, then the angle between rotor axis and the stator magnetic axis is constant.
See lessMostly the high voltage transmission is provided by overhead lines due to _____________
the lower cost and easier maintenance compared to underground cables.
the lower cost and easier maintenance compared to underground cables.
See lessAs compared with the HVAC lines, dc transmission system is free from ___________
As compared with the HVAC lines, dc transmission system is free from reactive power losses.
As compared with the HVAC lines, dc transmission system is free from reactive power losses.
See lessHVDC transmission would require which of the following equipment’s? (i) Pulse converter (ii) AC filter (iii) DC filter (iv) DC generator
The correct equipment required for HVDC (High Voltage Direct Current) transmission includes:(i) Pulse converter - Yes(ii) AC filter - Yes(iii) DC filter - Yes(iv) DC generator - NoTherefore, the required equipment are (i), (ii), and (iii).
The correct equipment required for HVDC (High Voltage Direct Current) transmission includes:
(i) Pulse converter – Yes
(ii) AC filter – Yes
(iii) DC filter – Yes
(iv) DC generator – No
Therefore, the required equipment are (i), (ii), and (iii).
See lessHVDC system has charging current but no skin effect while transferring the power through it.
HVDC systems do have a charging current associated with the cables, especially when using long underground or undersea transmission lines, which can lead to significant reactive power and voltage drop issues. However, since DC does not alternate, there is no skin effect, which is a phenomenon observRead more
HVDC systems do have a charging current associated with the cables, especially when using long underground or undersea transmission lines, which can lead to significant reactive power and voltage drop issues. However, since DC does not alternate, there is no skin effect, which is a phenomenon observed in alternating current (AC) systems where the current tends to flow near the surface of conductors at higher frequencies. In summary, HVDC systems experience charging current, but the absence of skin effect is a distinguishing characteristic compared to AC systems.
See lessAs compared to the HVDC line, the corona and radio interference in a HVAC line are ____
As compared to the HVDC line, the corona and radio interference in a HVAC line are typically higher.
As compared to the HVDC line, the corona and radio interference in a HVAC line are typically higher.
See lessThe reactive power demand of the converters in HVDC can be provided by ___________
The reactive power demand of the converters in HVDC can be provided by synchronous condensers or STATCOMs (Static Synchronous Compensators).
The reactive power demand of the converters in HVDC can be provided by synchronous condensers or STATCOMs (Static Synchronous Compensators).
See lessDC line transmission can be used to provide _______ link.
DC line transmission can be used to provide long-distance link.
DC line transmission can be used to provide long-distance link.
See lessScreened type cables have _____ possibilities of core to core faults when compared to belted type cables.
Screened type cables have reduced possibilities of core to core faults when compared to belted type cables.
Screened type cables have reduced possibilities of core to core faults when compared to belted type cables.
See lessCorona reduces the transient surges due to ______
Corona reduces the transient surges due to ionization of the air surrounding the conductor.
Corona reduces the transient surges due to ionization of the air surrounding the conductor.
See less