A control system for a multi-phase power system includes a first phase line, a second phase line, and a third phase line. The control system includes a plurality of regulator controls including a first regulator control configured to control a first tap changer associated with the first phase line, a second regulator control configured to control a second tap changer associated with the second phase line, a third regulator control configured to control a third tap changer associated with the third phase line, and an electronic processor coupled to the first regulator control, the second regulator control, and the third regulator control. The electronic processor is configured to regulate the voltage of the multi-phase system using the first, second, and third regulator controls.

Provided is an apparatus and method for improving generation efficiency of a distributed generation facility, and more specifically, to an apparatus and method for improving generation efficiency of a distributed generation facility configured to improve generation efficiency by boosting a voltage within an allowable voltage range according to a linkage capacity when the generated power of the distributed generation facility is linked and supplied to a power transmission and distribution side.

Provided is an apparatus and method for improving generation efficiency of a distributed generation facility, and more specifically, to an apparatus and method for improving generation efficiency of a distributed generation facility configured to improve generation efficiency by boosting a voltage within an allowable voltage range according to a linkage capacity when the generated power of the distributed generation facility is linked and supplied to a power transmission and distribution side.

Provided is an apparatus and method for improving generation efficiency of a distributed generation facility, and more specifically, to an apparatus and method for improving generation efficiency of a distributed generation facility configured to improve generation efficiency by boosting a voltage within an allowable voltage range according to a linkage capacity when the generated power of the distributed generation facility is linked and supplied to a power transmission and distribution side.

The present disclosure relates to an over-voltage prevention apparatus and method of a distribution line connected with a distributed generator, which sets a range of a dispatched voltage based on a current voltage of a Pole Mounted Automatic Voltage Regulator (PVR) and a voltage at a connection point of a distributed generator to control so that the dispatched voltage is output within the corresponding range.

The present disclosure relates to an over-voltage prevention apparatus and method of a distribution line connected with a distributed generator, which sets a range of a dispatched voltage based on a current voltage of a Pole Mounted Automatic Voltage Regulator (PVR) and a voltage at a connection point of a distributed generator to control so that the dispatched voltage is output within the corresponding range.

A cascading tap changing regulator has a set of input taps to power both stages of the cascade, each stage having its own series injection transformer to regulate the output. A set of switches are selectively engagable in respective on-off modes to effect a number of regulation steps, and a ratio of the number of steps to the number of switches in the set is greater than 1:1.

The present disclosure relates to a voltage regulation circuit (100). The voltage regulation circuit (100) comprises a transformer (130) having a primary winding (132) having a first end (132A) and a second end (132B), and a first secondary winding (134) having a first end (134A) and a second end (134B), wherein the first end (132A) of the primary winding (132) is configured to receive an input voltage and the second end (132B) of the primary winding (132) is configured to produce an output voltage, wherein the first end (134A) of the first secondary winding (134) is connected to a neutral node (180), wherein the primary winding (132) produces a primary voltage based on the input voltage, and wherein a secondary voltage of the first secondary winding (134) is out-of-phase to the primary voltage of the primary winding (132); and a first switch (160) configured to connect the second end (134B) of the first secondary winding (134) with the second end (132B) of the primary winding (132), wherein, when the first switch (160) is connected, the output voltage is the secondary voltage.

The present disclosure relates to a voltage regulation circuit (100). The voltage regulation circuit (100) comprises a transformer (130) having a primary winding (132) having a first end (132A) and a second end (132B), and a first secondary winding (134) having a first end (134A) and a second end (134B), wherein the first end (132A) of the primary winding (132) is configured to receive an input voltage and the second end (132B) of the primary winding (132) is configured to produce an output voltage, wherein the first end (134A) of the first secondary winding (134) is connected to a neutral node (180), wherein the primary winding (132) produces a primary voltage based on the input voltage, and wherein a secondary voltage of the first secondary winding (134) is out-of-phase to the primary voltage of the primary winding (132); and a first switch (160) configured to connect the second end (134B) of the first secondary winding (134) with the second end (132B) of the primary winding (132), wherein, when the first switch (160) is connected, the output voltage is the secondary voltage.

A voltage regulation device includes: a plurality of taps; a first electrical contact configured to connect to one of the plurality of taps; a second electrical contact configured to connect to one of the plurality of taps; and a network electrically connected to the first electrical contact and to the second electrical contact. The network is configured to control a voltage differential between the first electrical contact and the second electrical contact or an amount of current that flows in the first electrical contact and the second electrical contact.