KR200356564Y1 - three phase troidal electric power curtailment that Automatic Voltage regulator is equip - Google Patents

Abstract

The present invention relates to a Troidler 3-phase power saver having an automatic voltage regulator function for maintaining a constant voltage. The present invention relates to a low-voltage comparison control unit for comparing and measuring a voltage of an external power supply. Under the control of (Low) contact and high contact switch, it is configured to maintain constant constant voltage by automatic tap switching to adjust the voltage, so that the power supplied to the customer has the effect of power conversion without loss of power inside the device. In addition, it is possible to supply high quality power to the load by improving the power factor and reducing the harmonics, which saves power and also automatically adjusts the voltage according to the low and high contact switch control of the comparison control unit. It provides a troidle three-phase power saver that has the effect of tap-switching to maintain a constant constant voltage.

Description

Three phase troidal electric power curtailment that Automatic Voltage regulator is equip}

The present invention relates to a three-phase power saver of the trolley, and more specifically, by the comparison control unit for measuring and comparing the voltage of the applied external power supply, low and high contact switch control of the comparison control unit In accordance with the present invention, the present invention relates to a three-phase power saver equipped with an automatic voltage regulator (Automatic Voltage Regulator) function configured to maintain a constant constant voltage by automatic tap switching to adjust the voltage.

In general, a three-phase saver using a trolley coil constitutes a voltmeter 1 that displays a voltage value by measuring an input voltage of a power source applied from the outside, as shown in FIG. 1, and a power source applied from the outside. Configure an ammeter (2) to measure the current value of the current to display the current value, and configure the display lamp (3) to check whether the external power is applied, and to control the temperature inside the power saver fan (4) The main coil and the excitation coil have a uniformly wound troidle coil 5 is coupled to the input power source is configured to save power.

However, the power consumption of the electrical load is proportional to the input voltage, and if the voltage is lowered more than necessary to reduce the power consumption, the power consumption is reduced, but it may have a fatal adverse effect on the performance and life of the electric device.

Therefore, if the input voltage is higher than a certain standard by using the characteristics of power consumption against voltage fluctuations, the output voltage should be lowered to supply power to cut off surplus power to save power, and when the input voltage is low, the output voltage decreases. There is a need for technology to prevent.

The present invention has been made in view of various problems occurring in the three-phase power saver using the conventional trolley coil as described above, so that the distribution of the main coil and the excitation coil wound on the trolley core overlap at the same angle, The power supplied to the consumer not only has the effect of power conversion without losing power inside the device, but can also be used by supplying high-quality power to the load by improving power factor and reducing harmonics, thereby saving power, and also reducing the low of the comparison controller. Under the control of the contact and high contact switch, the purpose is to maintain a constant constant voltage by automatic tap switching to adjust the voltage.

1 is an exemplary view showing the configuration of a conventional Troyder three-phase power saver

Figure 2a is a circuit diagram showing the configuration of a three-phase power saving trolley with automatic voltage regulation function according to the present invention

Figure 2b is an exemplary view showing a bypass embodiment by the abnormal current of the Troyder three-phase power saver with an automatic voltage control function according to the present invention

3a is an exemplary view showing a configuration in which a bypass is made by a low contact of a comparison control unit according to the present invention;

3b is an exemplary view showing a configuration of performing a power saving function by a high contact of the comparison control unit according to the present invention;

4 is an exemplary view showing a driving state of a relay according to the present invention.

※ Description of code used for important part of drawing ※

1: voltmeter 2: ammeter

3: indicator lamp 4: blower fan

5: Troidle Core 10: Low Contact

11: High contact

Referring to the Troyder three-phase power saver with an automatic voltage regulator function of the present invention for achieving the above object is as follows.

The display lamp is configured to check whether the power is applied from the outside, the blower fan is configured to control the temperature inside the power saving device, and the trolley coil, in which the main coil part and the excitation coil part are wound around uniformly, In the three-phase power saver using a troidle coil coupled to each other to save power,

An automatic tap for adjusting the voltage according to the low contact 10a and the high contact 10b switching control of the comparison control unit by the comparison controller which measures and compares the voltage of the applied external power. The switch is configured to maintain a constant constant voltage, but constitutes each tap to which an output voltage of 6V, 8V, 10V is applied to the excitation coil of the trolley core.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2a is a circuit diagram showing the configuration of a three-phase power saving trolley with an automatic voltage control function according to the present invention, Figure 2b is a fault current of the three-phase power saver with an automatic voltage control function according to the present invention 3A is an exemplary view showing a bypass configuration by a low contact of a comparison control unit according to the present invention, and FIG. 3B is a comparison control unit according to the present invention. 4 is an exemplary view showing a configuration of performing a power saving function by a high contact, and FIG. 4 is an exemplary view showing a driving state of a relay according to the present invention.

In general, the functional configuration of the trolley power saver is a step-down transformer unit connected in parallel to the trolley main coil and the troidle excitation coil applied to the excitation side by stepping down the voltage applied to the main coil by receiving power from the outside, and A power factor correction unit comprising a series coil for filtering harmonics of the electrical signal applied by the step-down transformer unit, a compensation capacitor for compensating the power factor for the electric signal of the harmonic filter unit composed of the series coils, and the current and It consists of a detection part which detects a voltage. The step-down transformer has a form of step-down transformer in the troidle excitation coil through the opening and closing contact of the troidle main coil and the bypass switch, so that the power saving of the conventional trolley power saver is achieved. The excitation current induced in the less excitation coil is supplied to the trolley main coil without loss, so that the electricity between the troidle main coil and the bypass switch and the troidle excitation coil is loaded through the series coil. Supplied to.

The harmonic filter unit selectively reduces a specific harmonic by connecting a series coil and a capacitor in parallel, and the power factor correction unit compensates for a low power factor, and the detection unit detects a current of a load of a load and a voltage to detect a microcomputer of the PCB controller. In the trolley power saver, which is calculated by and displays the calculated value of the microcomputer on the LCD-FND,

Referring to the embodiment, the power of each phase is applied from the outside, and the applied power performs a power saving function through the main coil (primary coil) and the excitation coil (secondary coil), which are the core elements of the trolley power saver. However, the reason for the power saving is that the magnetic flux of the troidle excitation coil induced by the excitation current by applying the single winding method of the troidle core is chained by winding the stacking angle of the coil in the same position. There is no waste, and it minimizes internal losses and saves power by maximizing the power conversion efficiency of Troidle main coil and Troidle excitation coil.

The present invention has a high and low voltage comparison control unit in such a trolley power saver, it is possible to maintain a stable constant voltage, the trolley coil improves the electrical characteristics and mechanical durability, and extend the life of the saver It is possible to prevent overheating and burnout of electrical equipment.

Referring to the embodiment of the present invention as shown in Fig. 2a and 2b when the three-phase AC power of each phase is applied from the outside, the power saving function is performed through the trodler core applying the single-line winding method, each phase A contact of the magnetic contactor (electro magnetic contactor) (MC) 1 is formed in parallel to the rear end of the main coil of the troidle core divided into stars, and the excitation coil is configured at the rear end thereof, and a voltage of 6 V is output to the excitation coil. The contact point a of the electro magnetic contactor (MC) 3 and the contact point a of the electro magnetic contactor (MC) 5 to which a voltage of 8V is output are configured to perform a power saver function.

Then, the R and N phase power are separately supplied from the external power source, and are applied to a cooling fan for dissipating heat generated from the inside of the power saver to the outside, and the power is applied to a power lamp indicating whether the external power is applied to the power saver. In addition, a thermal relay (THR) configured to be driven according to the current value of the external power source is configured, wherein the thermal relay is an abnormal current by a sensor of a thermal relay (THR) configured at the tip of the main coil. When the value is detected, the magnetic contactor (MC) 2 is driven to prevent damage to the power saver due to an abnormal current, and the external power is configured to flow to the load side only through the main coil of the trolley core.

On the other hand, the power applied through the thermal relay (THR) drives an electromagnetic contactor (MC) 1 and an electromagnetic contactor (MC) 3 to drive the troidal core. The power saving function is achieved by the voltage drop of 6V through, and the power saving lamp is turned on to indicate that the power saving function is being performed.

As shown in FIG. 3A, when the LOW contact of the comparison control unit is driven, a timer (Timer) 1 and an electromagnetic contactor (MC) 4 are driven, and the electromagnetic magnetic contactor (MC) 2 is driven. The power applied from the outside by the drive is bypassed to the load side. At this time, the non-power saving lamp indicating that the external power is bypassed is turned on.

As shown in FIG. 3B, when the high contact point of the comparison control unit of the present invention is driven, when the timer 2 and the electromagnetic contactor MC are driven, the power source is connected to the electro magnetic contactor −. Power saving function of driving the MC 1 and the electro magnetic contactor (MC) 5 to achieve a power saving function in which a voltage drop of 8 V is achieved through the troidle core, and indicates that the power saving function is being performed. The lamp lights up.

In addition, as shown in FIG. 4A to FIG. 4C, the present invention performs a non-power saving function by a plurality of relays, which is used to stabilize the system when the low / high contact point of the comparison control unit of the present invention is converted. When the delay control by the Timer is performed, it operates in conjunction with the Low / High contact at the time of tap change to protect the Troidle 3-phase power saver from surge voltage and electric shock.

According to the present invention as described above, the distribution of the main coil and the excitation coil wound on the trolley core overlap at the same angle, so that the power supplied to the consumer not only has the effect of power conversion without losing power inside the device, but also improves the power factor. It is possible to supply high quality power to the load by reducing harmonics, which has a great effect on power saving.

In addition, according to the control of the low contact point and the high contact point of the comparison control unit, it is effective to maintain a constant constant voltage by automatic tap switching to adjust the voltage.

Claims (2)

The display lamp is configured to check whether the power is applied from the outside, the blower fan is configured to control the temperature inside the power saver, and the trolley coil with the main coil and the excitation coil uniformly wound In the three-phase power saver using a troidle coil coupled to each other to save power, An automatic tap for adjusting the voltage according to the low contact 10a and the high contact 10b switching control of the comparison control unit by the comparison controller which measures and compares the voltage of the applied external power. Troidler 3-phase power saver with automatic voltage regulator function, characterized in that configured to maintain a constant constant voltage by switching. 3. The troidler 3 having an automatic voltage regulator function according to claim 1, wherein each tap is configured to apply an output voltage of 6V, 8V, and 10V to the excitation coil of the trolley core. Phase power saver.