WO2014077556A1

WO2014077556A1 - Direct driving type power generation apparatus using water power or wind power

Info

Publication number: WO2014077556A1
Application number: PCT/KR2013/010211
Authority: WO
Inventors: 송철희
Original assignee: 주식회사 다텍
Priority date: 2012-11-13
Filing date: 2013-11-12
Publication date: 2014-05-22
Also published as: KR101256822B1

Abstract

The present invention relates to a direct driving type power generation apparatus using water power or wind power, which is directly driven using the water power or the wind power in order to have a simple structure, so as improve the self-power generation efficiency and provide high power generation efficiency more effectively by displacing the height of the main power generation equipment according to the water level. The present invention includes: a pair of supporting frames that are fixedly installed at a distance from each other; a fixed shaft that has both ends fixedly installed at the supporting frame, and a power line and supply line built therein; a rotating impeller that is installed so as to be rotatable about the fixed shaft and pivot in response to the received horizontal kinetic energy of the water power or the wind power; an auxiliary power generation unit that is connected such that a predetermined power supply can be applied from the supply line provided in the fixed shaft and is formed such that the initial power of the rotating impeller can be outputted; and a main power generation unit that is configured to have a field magnet core, which is installed on the inner surface of the rotating impeller, so that the power supply outputted from the auxiliary power generation unit is transmitted, and an armature core is installed on the fixed shaft so as to have a position corresponding to the field magnet core and output an electric current, which is generated by the continuous pivoting of the rotating impeller, through the power line.

Description

Directly driven generators using hydraulic or wind power

The present invention relates to a direct drive type power generator using hydraulic power or wind power, and more particularly, to directly drive using hydraulic power or wind power to achieve a simple structure and at the same time to efficiently self-power generation, depending on the water level of the main power plant The present invention relates to a hydroelectric or wind-driven direct drive type generator capable of shifting the height to achieve more efficient power generation efficiency.

Recently, international energy consumption is rapidly increasing due to high industrial growth and population growth, and as the renewable energy is converted according to various resources, interest in technology for generating power by using renewable energy is increasing.

In general, electric power generation (generation) is classified according to the source of power, such as hydroelectric power generation using water, thermal power generation using combustion heat of fuel, nuclear power generation using nuclear power, and wind power generation using wind. Furthermore, various types of generators are used to convert mechanical energy from electrical resources into electrical energy.

However, in the case of thermal power plants, there is a limit to the expansion of power generation facilities due to the depletion of limited fuel resources and environmental pollution. In the case of nuclear power plants, there is a lot of opposition from the residents due to the risk of radiation leakage. have.

In the case of hydroelectric power plants, dams must be constructed, and there are many objections from environmental groups due to concerns about environmental destruction. In the case of wind power generators, the construction cost of wind turbines and other complex structures is high, but the actual power generation time is required. This short has a problem of low power generation efficiency and low economic efficiency.

As a prior art disclosed to solve the above problems, Korean Patent Application Publication No. 38203 (April 10, 2007) of the Korean Intellectual Property Office has a roller installed on both sides of the fixed plate in a generator using hydraulic power, such as river water. A shaft part is formed in the center between the fixed plates formed on both sides of the main body which can be inserted into the recess part of the support to move up and down, so that a buoyancy can be generated, and a plurality of fixed blades are installed on the outer periphery of the shaft part. A power generation turbine is constructed, and a universal joint is installed between the power generation turbine and the power generation turbine to be connected to each other. And a protective cap is fixedly installed on the outer circumference of the universal joint, and one side of the power turbine has a bearing installed to facilitate rotation, the other side has a bearing installed, and a chain ring is installed on the shaft of the power turbine, and the chain is The speaker is connected to the power generation device, and the rollers are fixedly installed on both sides of the fixing plate, and the ventilation holes are installed on the upper part of the main body so that the power can be produced by using both water and wind power. Hydroelectric and wind power generation features are known.

In addition, as a conventional power generation device, Korean Patent Application Publication No. 885736 (2009.02.19) of the Korean Intellectual Property Office transmits the rotational force of the motive means to the rotor inside the generator to generate electric current by magnetic induction from the stator outside the rotor. In the apparatus, the engine rotation shaft of the driving means and the rotor rotation shaft of the generator is intermittent by an electromagnetic clutch, the generator is equipped with a frequency detection sensor, and the control unit is connected to the frequency detection sensor, and the control unit is formed. Connected to the magnet coil of the electromagnetic clutch, the control unit includes a frequency detector and a current control unit, by adjusting the applied current of the magnet coil by the current control unit according to the frequency of the generator detected from the frequency detection sensor, Power generation by decelerating the rotational speed of the rotor by the clutch There is a developing device is known having a power regulating unit with an electromagnetic clutch, it characterized in that the frequency can be controlled and controls the power generation amount as the adjustment to be configured.

However, the above-described conventional power generation apparatuses are all equipped with a separate driving means for imparting initial power, so that the installation structure is complicated, so there are many difficulties in the installation and construction of the structure, and the equipment cost is high and the energy consumption rate is unnecessary. Highly and because the size of the power generation device itself increases the occupy a lot of facility space there was a problem that can be installed only in a very limited place with enough space.

In addition, the conventional power generation device rotates in a structure in which the shaft is connected to a separate drive means configured for power generation, so that equipment such as wiring for receiving power generated from the power generation device is difficult and has to be designed with a complicated wiring structure. There was a problem.

In addition, the conventional power generation equipment is installed in a fixed state in a fixed place to generate power, it is difficult to set the height at the time of installation of the power generation equipment, the amount of power produced according to the height of the water is different, the overall power generation efficiency by the power generation device is a problem There was this.

The present invention is to solve the problems as described above, since the initial power is supplied by the minimum power supply is configured to drive the power directly from the hydro or wind naturally, so no additional drive means is necessary to achieve a simple structure The purpose of the present invention is to provide a direct drive type power generator using hydro or wind power, which is easy to manufacture and construct a power generation facility, minimizes facility space, and reduces energy consumption for driving a facility.

And another object of the present invention is to configure the axis located in the center of the power generation facilities to maintain a fixed state and to build a wiring facility on the shaft, so the wiring equipment is simple, the supply of power and supply of power is easy, depending on the water level It is to provide a direct drive type generator using hydro or wind power to improve the power generation efficiency by configuring the height of the power plant to be displaced.

Hydro-driven or wind-driven direct-driven power generator proposed by the present invention is a pair of support frames fixedly installed at a distance from each other; A fixed shaft having both ends fixed to the support frame and having power lines and supply lines therein; A rotary impeller rotatably installed around the fixed shaft and rotated by receiving horizontal kinetic energy of hydraulic or wind power; An auxiliary power generation unit connected to a predetermined power source from a supply line provided in the fixed shaft and configured to output an initial power of the rotary impeller; The electric power transmitted from the auxiliary power generation unit is transmitted and installed on the inner surface of the rotary impeller, and installed on the fixed shaft so as to correspond to the field core, the current generated by the continuous rotation of the rotary impeller. It comprises a main power generation unit consisting of an armature core to output through the power line.

The support frame is fixedly fixed to the bottom surface and the guide block is formed on the upper surface, and coupled to the guide hole of the fixed block and the fixed shaft is fixed to the movable block is formed to be moved up and down by external force Configure.

The rotary impeller comprises a fixed frame having a circular plate having a symmetrical structure at both ends, and a plurality of rotating blades fixedly spaced from each other on the fixed frame.

The rotating blade is formed in a "∧" shape.

In addition, the rotating blade may be installed to be variable depending on the wind direction and the water flow direction.

The auxiliary power generation unit is installed on the fixed shaft and the supply line is connected to the fixed excitation to transmit a predetermined voltage from the outside, and located in correspondence with the fixed excitation is installed on the inner surface of the rotary impeller from the voltage by the fixed excitation It consists of a rotary excitation which outputs predetermined electric power.

The fixer is formed of a silicon steel sheet in which silicon is added to iron.

The main power generation unit includes a coil member which is wound around the field core and the armature core to correspond to each other, and is formed to generate a current, and the coil member is embedded in the coil member and magnetized to maintain magnetic stability. A permanent magnet is provided to preserve the state.

The present invention may further include a rectifying member positioned to interconnect the auxiliary power generator and the main power generator and converting a voltage output from the auxiliary power generator to supply the field core to the field core of the main power generator.

According to the direct drive type power generator using the hydro or wind power according to the present invention, since the power generation by direct driving, the cost required for the construction of the power plant is low, the price competitiveness is increased and the self-consumed energy is greatly reduced and maintained. It is possible to minimize the installation space and obtain the effect of installing the power generation facilities in a narrow place.

In addition, the direct drive type power generator using hydro or wind power according to the present invention is configured to maintain a fixed state at the center of the fixed shaft at the same time the power line and the supply line is configured to be wired to recover the power to be driven or output by applying power The effect is very easy to do.

In addition, since the direct drive type generator using the hydro or wind power according to the present invention constitutes a support frame to displace the height of the power plant according to the water level, the power generation efficiency can be maximized by generating power at an optimal position according to the water level. It has an effect.

In addition, since the direct-driven power generation apparatus using hydro or wind power according to the present invention generates power by using natural hydro and wind power, it is possible to continuously generate power for 24 hours in an environment-friendly and water and wind region, In particular, the tidal-tide car is effective in generating large-scale development in all regions facing the small sea.

1 is a block diagram schematically showing one embodiment according to the present invention;

Figure 2 is a front sectional view schematically showing an embodiment according to the present invention.

3 is a side cross-sectional view taken along the line A-A of FIG.

Figure 4 is a front view showing a rotary impeller in one embodiment according to the present invention.

5 is a front view showing a state of use of one embodiment according to the present invention.

[Description of the code]

10: support frame 11: fixed block 12: guide ball

13: moving block 20: fixed shaft 30: rotary impeller

31: fixed frame 33: blade 40: auxiliary power generation unit

41: fixed excitation 43: rotation excitation 50: main power generation

51 field core 53 armature core 55 coil member

57: permanent magnet 60: rectifying member

B: Bearing L1: Power Line L2: Supply Line

The present invention provides a pair of support frames fixedly installed at a distance from each other; A fixed shaft having both ends fixed to the support frame and having power lines and supply lines therein; A rotary impeller rotatably installed around the fixed shaft and rotated by receiving horizontal kinetic energy of hydraulic or wind power; An auxiliary power generation unit connected to a predetermined power source from a supply line provided in the fixed shaft and configured to output an initial power of the rotary impeller; The electric power transmitted from the auxiliary power generation unit is transmitted and installed on the inner surface of the rotary impeller, and installed on the fixed shaft so as to correspond to the field core, the current generated by the continuous rotation of the rotary impeller. The main power generation unit consisting of an armature core to output through the power line; characterized in that the direct-drive type power generator using a hydro or wind power including a technical configuration.

In addition, the support frame is fixedly fixed to the bottom surface and the guide block is formed on the upper surface, the movable block is located in combination with the guide hole of the fixed block and the fixed shaft is fixed and installed to be moved up and down by external force It is characterized by the technical configuration of a direct drive type power generator using a hydro or wind power including a.

In addition, the rotary impeller is a direct-driven power generation using a hydraulic or wind power comprising a fixed frame having a circular plate in a symmetrical structure at both ends, and a plurality of rotating blades fixedly installed at intervals on the fixed frame. The device is characterized by a technical configuration.

In addition, the rotary blade is characterized by the technical configuration of a direct drive type generator using a hydro or wind power formed in a "∧" shape.

In addition, the rotary blade is characterized by the technical configuration of a direct drive type power generator using hydraulic or wind power that is installed variably according to the wind direction and the water flow direction.

In addition, the auxiliary power generation unit is installed on the fixed shaft and the supply line is connected to the predetermined excitation to transfer a predetermined voltage from the outside, and located in correspondence with the fixed excitation is installed on the inner surface of the rotary impeller is the voltage by the fixed excitation The direct drive type power generator using a hydro or wind power, including a rotary excitation outputting a predetermined power from the features of the technical configuration.

In addition, the fixed excitation is characterized by the technical configuration of a direct drive type power generator using a hydro or wind power is a silicon steel sheet with silicon added to iron.

In addition, the main power generation unit includes a coil member which is wound around the field core and the armature core to correspond to each other and is formed to generate a current, the coil member is embedded in the inside so as to maintain a stable magnetic Features of the technical configuration include a direct drive type power generator using hydro or wind power, including permanent magnets to preserve the magnetization state.

In addition, the secondary power generation unit of the present invention and the primary power generation unit is located to interconnect with a direct drive using hydraulic or wind power further comprises a rectifying member for converting the voltage output from the auxiliary power generation unit to supply to the field core of the main power generation unit The type generator is characterized by a technical configuration.

Next, a preferred embodiment of a direct drive type power generator using hydro or wind power according to the present invention will be described in detail with reference to the drawings.

First, an embodiment of a direct drive type power generator using hydro or wind power according to the present invention, as shown in Figures 1 and 2, the support frame 10, the fixed shaft 20, the rotary impeller 30 and The auxiliary power generation unit 40 and the main power generation unit 50 are included.

The support frame 10 is a support that supports the overall technical configuration of the present invention to perform power generation, is made of a rigid body, a pair of left and right, but are fixed and installed at a distance from each other.

As shown in FIG. 2, the support frame 10 is divided into upper and lower parts to form a structure separated from each other, and includes a fixed block 11 and a moving block 13.

The fixed block 11 is installed on the bottom surface of the installation position for the power generation device.

The installation position of the power generation device is to be installed in a variety of places where the usual water and wind, but to install the fixed block 11 on the bottom surface of the land adjacent to the sea so that the water and wind can be used together as a source of power. desirable.

The fixing block 11 is installed to maintain a fixed state in the installation position.

The guide hole 12 is formed on the upper surface of the fixed block (11). That is, the guide hole 12 is formed so that the movable block 13 is inserted on the fixed block 11 to maintain a mutually coupled state.

The guide hole 12 is preferably formed in the same shape corresponding to the moving block (13).

For example, when the moving block 13 is formed in a circular cross-sectional shape, the guide hole 12 provided on the fixed block 11 is also formed in a groove shape having a circular cross-sectional shape. When the moving block 13 has a rectangular cross-sectional shape, the guide hole 12 is also formed in a groove shape having a rectangular cross-sectional shape.

The moving block 13 is positioned in combination with the guide hole 12 of the fixed block 11 in a vertically extending structure.

The movable shaft 13 is fixed to the fixed shaft 20 so that the rotary impeller 30 can be positioned on a predetermined height that can be generated.

The movable block 13 is formed to be movable up and down while being guided in the vertical direction along the guide hole 12 by an external force (amount of water). That is, the movable block 13 is installed to be slidably moved upward or downward since it is affected by the buoyancy force applied to the rotary impeller 30 depending on the water level.

Although not shown in the figure, it is also possible to install a buoy to the movable block 13 so that a predetermined buoyancy can be applied at a position extended to one side. In other words, by installing a separate buoy with the buoyancy imparted by the rotary impeller 30 can be configured to more easily lift.

Both ends of the fixed shaft 20 are installed on the support frame 10.

The fixed shaft 20 is installed to maintain a fixed state on the support frame 10.

The fixed shaft 20 includes a power line L1 and a supply line L2 therein. That is, the fixed shaft 20 has a space in which the power line L1 and the supply line L2 can be wired.

The supply line L2 through the fixed shaft 20 is connected to the auxiliary power generation unit 40 from the outside, and the power line L1 is wired so as to be connected to the main power generation unit 50 from the outside.

The supply line L2 transfers a voltage toward the auxiliary power generation unit 40 to form a path for applying power, and the power line L1 is movable to output power generated by the main power generation unit 50 to the outside. A path is established.

The rotary impeller 30 rotates to produce electric power, and is rotatably installed about the fixed shaft 20.

In the position where the rotary impeller 30 and the fixed shaft 20 are in contact with each other, it is preferable to provide a bearing (B) to facilitate a smooth rotational movement of the rotary impeller (30).

The rotary impeller 30 is configured to provide a mechanical kinetic energy that can be converted into electrical energy from the generator. That is, the rotary impeller 30 is configured to provide mechanical kinetic energy while continuously rotating by receiving horizontal kinetic energy of hydraulic power or wind power.

2 and 3, the rotary impeller 30 is composed of a fixed frame 31, a rotary blade 33 forming a structure that can be in contact with water or wind.

The fixing frame 31 forms a rotatable structure and has holes formed to the left and right to form the fixing shaft 20.

The fixing frame 31 has a circular plate having a symmetrical structure at both ends of the left and right sides.

The fixed frame 31 is formed in a rotatable structure from the fixed shaft 20.

The rotating blade 33 is positioned along the periphery on the fixing frame 31, but is fixed to a plurality of spaced apart from each other.

The rotating blade 33 is formed in a "블" shape, as shown in FIG. That is, the rotating blade 33 has a shape in which one rotating blade 33 is bent at a predetermined angle (α) to form two corresponding surfaces so as to reduce the resistance in the water during the rotation of the rotary impeller 30 Form to achieve.

In the above, the angle α between the surfaces corresponding to each other of the rotating blades 33 is preferably configured to form an obtuse angle (90 to 180 °).

Although not shown, the rotary blade 33 may be formed to have a cross section of an “S” shape, a “-” shape, an arc shape, or the like.

In addition, the rotary blade 33 may be installed to be variable depending on the wind direction and the water flow direction.

For example, the rotary blade 33 may be selectively formed into various shapes such as an “S” shape, an “-” shape, an “-” shape, and an arc shape so as to achieve an optimal shape according to a wind blowing direction and water flowing direction. Is deformed.

The rotation of the rotary blade 33 can be carried out by applying the structure of a variety of blades used in wind turbines, water flow generators, etc. generally known, detailed description thereof will be omitted.

The auxiliary power generation unit 40 performs a function of applying power to the main power generation unit 50 to output the initial power to the rotary motion of the rotary impeller (30).

The auxiliary power generation unit 40 is connected so that a predetermined power can be applied from the supply line L2 that transmits a voltage from the outside provided in the fixed shaft 20.

The auxiliary power generation unit 40 is located between the fixed shaft 20 and the rotary impeller 30, and is composed of a fixed excitation 41 and a rotary excitation 43.

The fixed exciter 41 is installed to maintain a fixed state on the fixed shaft 20.

The fixed excitation 41 has a structure in which the supply line L2 is connected to transmit a predetermined voltage from the outside.

The stationary exciter 41 generates a magnetic force to create an environment in which a current can be supplied.

The material used for the fixed exciter 41 is configured by applying a silicon steel sheet with silicon added to iron.

When the silicon steel sheet is applied to the material of the fixed exciter 41 as described above, it is possible to suppress excessive current magnetic by itself.

The rotary exciter 43 is installed on the inner surface of the rotary impeller 30 so as to correspond to the fixed exciter 41. That is, the rotary exciter 43 is installed to naturally rotate along the rotation of the rotary impeller 30.

The rotary excitation 43 performs a function of outputting a predetermined electric power from the voltage by the fixed excitation 41. That is, the rotary exciter 43 generates an electromagnetic force from the magnetic environment generated through the fixed exciter 41 to flow a current.

The stationary excitation 41 and the rotational excitation 43 are respectively wound to include a reference coil and a sensing coil along a track of a predetermined shape.

The main power generation unit 50 is configured to rotate the impeller 30 from the power transmitted by the auxiliary power generation unit 40 and to produce electric power, and the field core 51 and the armature core 53. )

The field core 51 is configured to generate a magnetic force by transmitting power output from the rotary exciter 43 of the auxiliary power generator 40.

The field core 51 is installed on the inner surface of the rotary impeller 30. That is, the field core 51 rotates by the rotation of the rotary impeller 30.

The armature core 53 is installed on the fixed shaft 20 and positioned corresponding to the field core 51.

The armature core 53 is installed to maintain a fixed state on the fixed shaft 20.

The armature core 53 generates a current by the continuous rotation of the rotary impeller 30. That is, the armature core 53 generates power by the signal from the field core 51.

The power line L1 is connected to the armature core 53. That is, the current produced by the armature core 53 is configured to output to the outside through the power line (L1).

Coil members 55 are formed in the main power generation unit 50 so as to be respectively wound around the field core 51 and the armature core 53 so as to correspond to each other and generate a current.

The coil member 55 is provided with a permanent magnet 57 that functions to preserve the magnetization state so that the magnet can be stably maintained.

The permanent magnet 57 is installed in a structure embedded in the coil member 55.

In addition, between the auxiliary power generator 40 and the main power generator 50 may further comprise a rectifying member 60 for performing a function for converting the voltage.

The rectifying member 60 is positioned to connect the auxiliary power generator 40 and the main power generator 50 to each other.

The rectifying member 60 converts the voltage output from the auxiliary power generator 40 and supplies it to the main power generator 50. That is, the voltage output from the rotary exciter 43 of the auxiliary power generator 40 is converted to AC-DC and supplied to the field core 51 of the main power generator 50.

Next, when explaining the operation relationship of the present invention, the support frame 10 adjusts the height according to the water level, as shown in Figure 5, the movable block 13 slides up and down from the fixed block 11 in a fixed state Next, the next generation work will be started naturally located at the optimum height.

Thereafter, the power generator is operated by operating the switch. When power is applied through the supply line L2 wired in the fixed shaft 20, the voltage of the fixed exciter 41 of the auxiliary power generator 40 may generate a magnetic force. Is transmitted and the rotary exciter 43 generates an electromagnetic force under the influence of the fixed exciter 41 to output a predetermined current.

Subsequently, the current generated by the rotary exciter 43 is converted through the rectifying member 60 and then transferred to the field core 51 of the main power generation unit 50 to generate magnetic force and to rotate the rotary impeller 30. As the field core 51 rotates, an electric current is generated in the armature core 53.

At this time, the current generated in the armature core 53 is moved through the power line (L1) wired in the fixed shaft 20 to output power to the outside.

That is, according to the direct drive type power generator using the hydro or wind power according to the present invention configured as described above, since the power generation by direct driving, the cost required for the construction of the power plant is low, the price competitiveness is increased and its own consumption It is possible to greatly reduce and maintain energy, and to install power generation facilities in narrow places by minimizing facility space.

In addition, the present invention configures the fixed shaft located at the center to maintain the fixed state and at the same time the power line and the supply line are configured to be wired, so that the process of recovering the power to be driven or output by applying power is very easy.

In addition, since the present invention configures the support frame to displace the height of the power plant according to the water level, it is possible to maximize power generation efficiency by generating power at an optimal position according to the water level.

In addition, since the present invention generates power using natural hydraulic power and wind power, it is environmentally friendly and can continuously generate power for 24 hours in an area with water and wind, especially in all regions where the tide of the tide is in contact with a small sea. It is possible to generate electricity on a large scale.

In the above description of a preferred embodiment of a direct drive type power generator using a hydraulic or wind power according to the present invention, the present invention is not limited thereto, but various modifications within the scope of the claims and the detailed description of the invention and the accompanying drawings. Can be carried out, and this also belongs to the scope of the present invention.

Claims

A pair of support frames fixedly installed at a distance from each other;

A fixed shaft having both ends fixed to the support frame and having power lines and supply lines therein;

A rotary impeller rotatably installed around the fixed shaft and rotated by receiving horizontal kinetic energy of hydraulic or wind power;

An auxiliary power generation unit connected to a predetermined power source from a supply line provided in the fixed shaft and configured to output an initial power of the rotary impeller;

The electric power transmitted from the auxiliary power generation unit is transmitted and installed on the inner surface of the rotary impeller, and installed on the fixed shaft so as to correspond to the field core, the current generated by the continuous rotation of the rotary impeller. And a main power generation unit including an armature core output through the power line.
The method according to claim 1,

The support frame, the fixed block is fixed to the bottom surface and the guide hole is formed on the upper surface, the movable block is located in combination with the guide hole of the fixed block and the fixed shaft is fixed and installed to be moved up and down by an external force Direct-driven power generator using hydro or wind power comprising a.
The method according to claim 1,

The rotary impeller includes a fixed frame having a circular plate having a symmetrical structure at both ends, and a plurality of rotating blades fixedly installed at intervals on the fixed frame. Power generation device.
The method according to claim 3,

The rotary blade is a direct drive type power generator using a hydro or wind power, characterized in that formed in the "∧" shape.
The method according to claim 3,

The rotary blade is a direct drive type power generator using hydro or wind power, characterized in that it is installed to be variable depending on the wind direction and the water flow direction.
The method according to claim 1,

The auxiliary power generation unit is provided on the fixed shaft and the supply line is connected to the fixed excitation to transmit a predetermined voltage from the outside, and located in correspondence with the fixed excitation is installed on the inner surface of the rotary impeller is installed by the fixed excitation voltage Direct-driven power generation using hydraulic or wind power comprising a rotary excitation to output a predetermined power from the.
The method according to claim 6,

The stationary excitation is a direct-drive type power generator using a hydro or wind power, characterized in that the silicon steel sheet with silicon added to iron.
The method according to claim 1,

The main power generation unit includes a coil member which is formed to be wound around the field core and the armature core to correspond to each other and generate a current,

The coil member is embedded in the direct drive type generator using a hydraulic or wind power comprising a permanent magnet to preserve the magnetization state so as to maintain a stable magnetic.
The method according to any one of claims 1 to 8,

Hydroelectric or wind-driven power generation device further comprises a rectifying member positioned to connect the auxiliary power generator and the main power generator and converting the voltage output from the auxiliary power generator to supply to the field core of the main power generator. .