KR101480870B1 - Educational Simulation of Power Substation Equipment - Google Patents

Abstract

A simulation apparatus for an educational water distribution system is disclosed. The simulation apparatus for a training water distribution system according to an embodiment of the present invention is a simulation apparatus for a hydromassage facility for simulation of a special high-pressure apparatus for transforming an extra-high voltage power source transmitted from a power source to a low pressure, A main body unit having a transparent window formed on a front surface thereof so that a component installed in the main body unit divided into a plurality of parts having a predetermined size can be visually recognized; A load break switch provided inside the main body unit and adapted to selectively receive an extra high voltage supplied from a power supply source and an on off state for an extra high voltage, A load opening / closing part having a load opening / closing part; A pressure gauge for measuring the power used by the power supplied through the load opening and closing part and a measuring transformer for the instrument equipped with a gauge transformer to allow the trainee to directly perform various tests for the occurrence of the power failure ; A vacuum circuit breaker for performing an exercise for restoring power when the power supplied through the voltage transforming and measuring unit for the instrument is cut off by a power failure and an emergency situation due to a power failure or a power restoration process when power is supplied from a power source after a power failure The first electrostatic and substation practice part that can conduct the exercises for the students; A transformer for transforming an extra-high voltage power source to a low voltage, and a switch for protecting the transformer; An air current breaker for blocking an arc generated when a line to be supplied with a low voltage converted through the transformer is opened and closed, and an automatic changeover switch for performing a power failure test 2 Power outage and rehabilitation part; And a rectifier for converting AC into DC for supplying power to the power transforming equipment and a battery provided to allow the practitioner to directly observe the process of generating a power failure and supplying the operating power to the power transforming equipment for a temporary period of time. And a rectifying and training part having a part.

Description

{Educational Simulation of Power Substation Equipment}

The present invention enables a novice engineer or an apprentice who is new to the water power transmission facility to miniaturize a large-sized water power transforming facility to perform a simulation by arbitrarily implementing an operation state or an emergency state of a component provided in a water- And more particularly, to a simulation apparatus for a training water distribution system capable of easily acquiring information on the configuration of the substation facility and the overall operation principle.

Generally, power transformer is installed in a power station, substation or building with electrical facilities. It is equipped with safety devices, instruments, indicators, relays, etc. to facilitate the opening and closing of electric lines and control of equipment. Is used. The power transforming unit is divided into an extra high voltage unit, a transformer unit and a low voltage unit. The extra high voltage unit receives the high-voltage or special high-voltage electricity supplied from the outside, and the transformer unit converts high-voltage or special high- And the low-pressure section performs a function of sending low-voltage electricity to a plurality of loads.

Such a conventional water distribution facility is not effectively transferred to a skilled technician or a novice engineer or a student who is new to the water supply facility because the knowledge acquired by a skilled engineer in operating the water distribution facility for many years is not effectively transmitted to the engineer There is a problem that information on the working principle can not be easily learned.

As a result, it took a long time for the novice engineer and the trainee to use the partial knowledge and information to grasp the constitution and the operating principle of the transformer installation in total, and it is possible to prevent the occurrence of an electric shock accident due to carelessness, And a safety accident was caused by the accident.

Therefore, the novice engineer or the student can safely and promptly cope with emergency situations such as power failure and the entire construction of the power substation facility, thereby reducing the unnecessary time and effort required for operating the power substation substation, There is a need to be able to easily understand the operation principle and the efficient operation of the equipment, and simultaneously conduct the training.

Korean Patent Publication No. 10-2012-0018943 (Publication date: Mar. 06, 2012)

Embodiments of the present invention allow a plurality of initial technicians or trainees to more easily grasp the operation principle and structure necessary for the power transforming equipment directly through the simulation apparatus of the power transforming facility having the same configuration as the water transforming facility installed in an actual building In order to understand the transformer installation facilities installed in actual buildings or industrial sites by carrying out education and practice on them, it is aimed to implement efficient operation of transformer installation installed in actual buildings.

According to an aspect of the present invention, there is provided a simulation apparatus for a hydromassage facility for simulating an extra-high voltage apparatus for transforming an extra-high voltage power source transmitted from a power source to a low pressure, wherein the simulation apparatus of the hydromassage facility has a plurality of A main body portion having a transparent window formed on the front thereof so that the components installed inside the divided main body units can be visually recognized; A load break switch provided inside the main body unit and adapted to selectively receive an extra high voltage supplied from a power supply source and an on off state for an extra high voltage, A load opening / closing part having a load opening / closing part; A pressure gauge for measuring the power used by the power supplied through the load opening and closing part and a measuring transformer for the instrument equipped with a gauge transformer to allow the trainee to directly perform various tests for the occurrence of the power failure ; A vacuum circuit breaker for performing an exercise for restoring power when the power supplied through the voltage transforming and measuring unit for the instrument is cut off by a power failure and an emergency situation due to a power failure or a power restoration process when power is supplied from a power source after a power failure The first electrostatic and substation practice part that can conduct the exercises for the students; A transformer for transforming an extra-high voltage power source to a low voltage, and a switch for protecting the transformer; An air current breaker for blocking an arc generated when a line to be supplied with a low voltage converted through the transformer is opened and closed, and an automatic changeover switch for performing a power failure test 2 Power outage and rehabilitation part; And a rectifier for converting AC into DC for supplying power to the power transforming equipment and a battery provided to allow the practitioner to directly observe the process of generating a power failure and supplying the operating power to the power transforming equipment for a temporary period of time. And a rectifying and training part having a part.

The body portion is formed on the front surface, and the special high-voltage power source and the low-voltage power source are displayed in different colors.

The main body includes a display unit formed on the front surface and sequentially displaying a state of movement of the power source according to a sequence in which the power source passing through each component is converted from a special high-voltage power source to a low-voltage power source.

The load opening / closing part includes a lightning arrester provided to protect the components due to the abnormal voltage applied from the outside and to discharge the abnormal voltage to the ground. The lightning arrester is characterized in that it can visually recognize from the outside of the main body through the transparent window .

The power supply voltage change training unit for the instrument includes a power fuse training unit installed for replacement training for a short circuit protection power fuse of the component.

The power supply and power recovery unit includes a voltage transformer training unit for measuring a line voltage; A change-of-practice section for a meter that can conduct a measurement exercise on a current state flowing to each line by switching a high-voltage large current to a low-current state; An overcurrent relay exerciser capable of performing an operation of turning off the vacuum circuit breaker when an overcurrent is generated to shut off a high voltage applied through a power supply source; And an uninterruptible power supply and training unit for tripping the vacuum circuit breaker by an electric signal applied from the voltage transforming and measuring unit for the instrument when a power failure occurs.

The main body includes a self-generator in which power is generated when the uninterruptible power supply unit is switched to an off state.

The embodiments of the present invention teach the general structure and operation principle of the simulation apparatus of the water distribution facility, so that a large number of students can perform the technical education combined with the theory and the practice at the same time, It is possible to integrate the knowledge acquired through the field directly.

Embodiments of the present invention can arbitrarily implement an emergency situation through a simulation device of a power transformation facility and directly experience the operation state through the same process as the actual practice, thereby improving the operation capability of the simulation device of the power transformation facility .

The embodiments of the present invention can perform simulation using a simulation apparatus of a power transforming facility that is reduced in size without dismantling a simulation apparatus of a water supply facility installed in an actual building.

1 is a front view of a simulation apparatus for a training water distribution facility according to an embodiment of the present invention;
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a simulation apparatus,
FIGS. 3 to 4 are front views illustrating a configuration of a simulation apparatus for a training water distribution system according to an embodiment of the present invention; FIG.
FIG. 5 to FIG. 10 are diagrams showing respective configurations of a simulation apparatus for a training water distribution system according to an embodiment of the present invention; FIG.
FIG. 11 is a use state diagram of a simulation apparatus for a training water distribution facility according to an embodiment of the present invention; FIG.

A configuration of a simulation apparatus for a training water distribution system according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view of a simulation apparatus for a training water distribution system according to an embodiment of the present invention. FIG. 2 is a block diagram showing a configuration of a simulation apparatus for a training water distribution system according to an embodiment of the present invention. .

Prior to the description, the greatest technical feature of the simulation apparatus of the water immersion apparatus according to an embodiment of the present invention is that the trainee can directly visually check the components of the water immersion apparatus and implement any situation according to various emergency situations And it is intended to improve the operation principle of the various components provided in the water distribution facility and the coping ability in the event of an emergency.

1 to 4, the simulation apparatus 1 of the waterproofing equipments has a transparent window (not shown) on the front surface so that the components installed in the main body unit 100N, each having a predetermined size and divided into a plurality of parts, A main body 100 formed with a main body 100a formed on the main body unit 100N and an on off state for a special high voltage supplied from the power source 2, (200) having a load break switch (210) provided to allow the student to selectively switch the load on the load / unload unit (200) And an instrumentation transformer (320) for measuring the pressure of the special high-pressure meter (310) and performing various tests according to occurrence of a power failure, In the transforming and changing part 300, A vacuum breaker 410 for performing an exercise for recovering power when the power source is cut off by a power failure, and an emergency situation in case of a power failure or a power restoration process when power is supplied from a power source after a power failure A transformer 510 for transforming an extra-high voltage power source to a low voltage, and a switch unit 520 for protecting the transformer 510. The transformer 510 is connected to the transformer 510, An air current breaker 610 for blocking an arc generated when a line supplied with the low voltage converted through the transformer 510 is opened and closed and an electric current breaker 610 for performing a power failure test And an automatic changeover switch (620) for practice; And a rectifying unit 710 for converting AC into DC for supplying power to the power transforming equipment and a rectifying unit 710 for converting the AC power into DC power and supplying power to the power transforming equipment in a normal state. And a rectification and training unit 700 having a battery unit 720 provided therein.

The main body unit 100 according to an embodiment of the present invention includes a plurality of main body units 100N and is divided into independent units so that a transparent window 100a is installed so that each component constituting the water- So that it is possible to confirm what configuration is made from the outside without opening the door. The main body unit 100 is formed in a cabinet shape and each main body unit 100N has a length of 1m or less and a height of 2m or less so as to be installed inside the building.

The main body unit 100N is made up of seven units, and different components are built in. A door is opened to the outside, and the name of each main body unit is written on the outer front surface in Korean or English.

The main body 100 is formed on the front surface, and the extra-high-voltage power source and the low-voltage power source are displayed in different colors. Here, an extra high voltage power source means a power source input at a high voltage of 22000 V or more, and a low voltage power source means a power source converted to a voltage of 300 V or more. In this embodiment, since the special high voltage power source is inputted at 380V and the low voltage power source is inputted at 110V for the safety of the trainee, an accident caused by electric shock during the practice can be prevented.

The reason why the extra high-voltage power supply and the low-voltage power supply are displayed in different colors is that when the student performs the inspection in the building where the actual water supply equipment is installed, To prevent accidents.

In addition, the extra-high-voltage power supply is displayed in red color and the low-voltage power supply is displayed in blue color, so that it is possible for the trainee to visually distinguish clearly. Also, in this embodiment, the extra high voltage power source is indicated by bold color, and the low voltage power source is represented by a relatively thin line as compared with the extra high voltage power source.

The main body 100 includes a display unit 110 formed on a front surface thereof and sequentially displaying a power state of the power source according to the order in which a power source passing through each component is converted from a special high-voltage power source to a low-voltage power source. The display unit 110 allows the trainee to grasp the flow state of the power source by allowing the power source 2 to grasp the state in which the extra high voltage power inputted to the water power transforming facility is moved via each main unit, .

A load opening / closing part according to an embodiment of the present invention will be described with reference to the drawings.

2 and 5, the load opening and closing unit 200 includes a line switch 210, a handle 201, a lightning arrester 202, and a full-turn switch 203. The line switch 210 has a configuration for each of the three phases of R, S, and T, and on the on-off state, a trainee can open the transparent window 100a or the door, You can practice your skills.

It is assumed that the line switch 210 has a configuration in which the line switch 210 and the fuse are broken because a special high-voltage power source is directly input through the power supply source 2, You can do the replacement exercise directly.

The lightning arrester 202 is connected to the three-phase power source of R, S, and T of the line switch 210, and when an abnormal voltage such as a lightning strike from the outside flows, the lightning arrester 202 safely protects various equipment and lines And the trainee can directly visually confirm the configuration and the connection relationship of the lightning arrester 202. [0064] FIG.

The handle 201 is provided to manually turn the switch of the line switch 210 on or off. When a power failure occurs, a trainee directly grasps the handle 201 by hand, The contact state of the line switch 210 can be switched from the off-state to the on-state, so that the practice of manual operation can be realized.

The full-turn switch 203 is a switch used to supply power to the load opening / closing part 200 after n seconds in a state in which the switch is turned to the right after being pulled forward when a power failure occurs in the power supply source 2, It is possible to conduct the exercise for the load opening / closing exerciser 200 directly through the operation and the practice of the full-turn switch 203.

A variable pressure change exercise unit for a meter according to an embodiment of the present invention will be described with reference to the drawings.

Referring to FIG. 2 or FIG. 6, the power transforming and changing unit 300 includes a power fuse exercising unit 301, a special-pressure gauge 310, and a metering transformer 320.

The power fuse exercising unit 301 is installed for a replacement practice of a power fuse for short-circuit protection of a component, and a trainee can directly practice the power fuse 301 with the operating rod, It is possible to operate the power transformer facilities without being confused in case of an emergency.

The special high-pressure meter 310 is installed to measure the amount of power used and displays a large voltage and a large current, and can implement any state according to a power failure or a power failure and can practice it.

Since the instrumental transformer 320 is used to transform the high voltage into the low voltage and the large current into the small current in the operation of the electric equipment or the water supply equipment in order to provide the operation source of the protection relay and the operation source necessary for the measurement of the measuring instrument, The functions of the instrument transformer 320 can be grasped. Since it is very difficult for a student to directly measure a high voltage or a large current in a dangerous and maintenance-friendly manner, the instrumental transformer 320 measures the voltage and current by lowering it to a specific voltage and current so that safe and precise measurement is performed , It may be possible to automatically perform measurement in combination with a separate scanner or a computer.

A first electrostatic and repetitive exercising unit according to an embodiment of the present invention will be described with reference to the drawings.

Referring to FIG. 2 or 7, the first electrostatic charge and discharge application unit 400 includes a vacuum circuit breaker 410, a voltage transformer training unit 420, a meter current transformer unit 430, A relay exercise unit 440, and an uninterruptible power supply training unit 450.

The vacuum circuit breaker 410 is a VCB (Vacuum Circuit Breaker). When a line fault occurs in a distribution system of an extra-high voltage power source, the vacuum circuit breaker 410 recognizes an accident in the relay. When a shut- off signal is applied to the vacuum circuit breaker 410, As a circuit breaker to protect the user, the student can directly perform the manual operation and can directly understand the process of the power outage and practice.

The instrument transforming and training unit 420 is provided for measurement exercise on the line voltage and is composed of three phases of R phase, S phase, and T phase. For example, in actual buildings, there are three phases of R, S, and T, and each phase voltage has a voltage of 13200 V and a line voltage is maintained at a high voltage of 22900 V. The user uses the transformer training unit 420 for the instrument when the high voltage is transformed to a specific voltage. The trainee constructs the configuration of the transformer training unit 420 for the instrument, .

Also, the voltage transforming unit 420 for the instrument is normally supplied with high voltage from the power supply source 2, converts the high voltage into DC power, and selectively supplies the operating power for operating the uninterruptible power supply and training unit 450. For example, when a high voltage is not applied to the power supply source 2, the DC power supplied to the uninterruptible power supply and training unit 450 is shut off, and the student can arbitrarily implement an emergency situation caused by a power failure. .

The measuring and changing unit 430 is provided for performing a measurement exercise on a current flowing into each line by switching a high-voltage large current to a low-current condition. The trainee can directly measure the current of the line.

The overcurrent relay exercising unit 440 is provided to perform an exercise to switch off the high voltage applied through the power supply source by switching the vacuum circuit breaker 410 off when an overcurrent is generated.

The uninterruptible power supply and practice unit 450 is called an under voltage relay (UVR) and is provided for tripping the vacuum circuit breaker 410 by an electric signal applied from the voltage transforming and regulating unit 300 when a power failure occurs, When the power is not supplied from the power supply source 2, the vacuum breaker 410 is tripped by the voltage generated by the voltage transformer training unit 420 to interrupt the power failure. You can do it.

A transforming and training part according to an embodiment of the present invention will be described with reference to the drawings.

2 and FIG. 8, the transformer 500 includes a transformer 510 and a switch 520. The transformer 510 includes an iron core and a coil, And supplies it to the equipment.

The switch unit 520 is provided for the protection and disconnection of the transforming and training unit 500 and can directly understand the cause of the fuse short circuit accident and the practice of replacing the fuse.

A second power interruption and a posture exercising part according to an embodiment of the present invention will be described with reference to the drawings.

Referring to FIG. 2 or 9, the second electrostatic reversing and repeating unit 600 includes an air circuit breaker 610, an automatic changeover switch 620, and a leak alarm 630.

The air circuit breaker 610 is a low-voltage circuit breaker capable of shutting off the arc generated when the line is opened and closed, and it is possible for the trainee to perform various exercises using the air circuit breaker. The air circuit breaker 610 can be operated instantaneously, You can conduct a hands-on exercise to check your findings.

The automatic changeover switch (620) (Auto Transfer Switch) is a switch that is automatically switched when a power failure occurs, and can be manually operated by the trainee or can be practiced as a power failure test.

The leakage detector 630 is installed for the purpose of protecting the overcurrent of the high voltage circuit and for protecting and disconnecting the transformer 510. The trainee understands the fuse short circuit accident and performs the practice of replacing the fuse You can try.

A rectification and training unit according to an embodiment of the present invention will be described with reference to the drawings.

2 or 10, the rectifier unit 300 includes a rectifier unit 710 and a battery unit 720. The rectifier unit 710 converts an alternating current into a direct current (DC) 100), and the student can practice the charging method and the operation method for the rectifying part 710 and can acquire knowledge about the charging method and the operation method conveniently.

The battery unit 720 may be provided for temporarily supplying power when a power failure occurs and may be normally supplied through the battery unit 720 through a circuit breaker.

A state in which a trainee performs an exercise using a simulation apparatus of a water heater according to an embodiment of the present invention will be described with reference to the drawings.

Referring to FIG. 2 or FIG. 11, the trainee disconnects the power supplied to the load opening / closing unit 200 through the power source 2 in order to arbitrarily implement a situation in which a power failure has occurred. In this case, DC power applied to the uninterruptible power supply and training unit 450 is cut off in the instrument transforming and training unit 420, and the rotating plate installed in the uninterruptible power supply and training unit 450 is rotated, Power is applied to the power supply 100b. The power generation lamps provided on the front panel of the second power generation and rearrangement unit 600 are turned on by the emergency power generation through the self generator 100b and the power supply lamps installed on the front panel of the first power generation and rearrangement unit 400 are turned on, An alarm sound is generated.

The trainee hears the warning sound from the buzzer and judges that no extraordinary high voltage is inputted through the current power supply source 2 and performs a simulation that assumes that a power failure has occurred. ) Operate the switch installed on the front panel of the building to operate the emergency power supply to the elevator, the pump, the emergency lamp, the air conditioner and the fire fighting equipment installed in the building. In this case, since the power generated by the self-generator 100b is supplied to the above-mentioned equipment, it is understood that even when a power failure occurs, a minimum number of power sources capable of safely moving and escaping from a plurality of occupant- Practice can be directly carried out to cope with emergency situations under the same conditions.

When an electric power is restored in the electric power source 2 after the occurrence of the electric power failure, an indicator for indicating the on / off state of the voltage transforming unit 420 for the instrument is checked, and if the indicator is turned on, The power supply is interrupted so that the self-generator 100b in operation is turned off, the reset button is pushed, the handle 201 is rotated a plurality of times in the clockwise direction to turn on the contact of the line switch 210, . When the full-turn switch 203 is rotated in the right direction while being pulled forward, the power source is normally supplied to the power source 2, and power is normally supplied.

The simulation apparatus of the water immersion facility according to an embodiment of the present invention can simulate the student while assuming that the fuse of the line switch 210 has failed in addition to the simulation that assumes that a power failure has occurred. In this case, the trainee implements the power failure state arbitrarily in order to cut off the power applied to the load opening / closing training unit 200, operates the full-turn switch 203 so that the contact of the line switch 210 is turned off, A simulation for replacing a failed fuse of the switch 210 may be performed. When the contact of the line switch 210 is turned on by operating the full-turn switch 203 after the fuse replacement for the line switch 210 is completed, the student directly experiences the exchange of the line switch 210, And to acquire knowledge according to the present invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit of the invention as set forth in the appended claims. The present invention can be variously modified and changed by those skilled in the art, and it is also within the scope of the present invention.

2: Power source
100:
100a: Transparent window
200: load opening / closing part
201: handle
202: lightning arrester
203: Fulkton switch
210: Line switch
300: Instrumentation Transformer
310: Special high-pressure meter
320: Instrument transformer
330: Power Fuse Practice
400: 1st power failure /
410: Vacuum circuit breaker
420: Instrument transformer training section
430: Instrumental flow training section
440: Overcurrent Relay Laboratory
450: Uninterruptible Power Supply
500: Transforming laboratory
510: Transformer
520:
600: 2nd power failure /
610: Reference breaker
620: Automatic conversion switch
700: Rectification unit
710: rectification part
720: Battery section

Claims (7)

A simulation apparatus of a hydropower plant for simulating a high-pressure apparatus for transforming an extra-high voltage power source transmitted from a power source to a low pressure,
The simulation apparatus of the water power plant includes:
A main body portion having a transparent window formed on a front surface thereof so as to visually recognize a component provided inside the main body unit divided into a plurality of portions each having a predetermined size;
A load break switch provided inside the main body unit and adapted to selectively receive an extra high voltage supplied from a power supply source and an on off state for an extra high voltage, A load opening / closing part having a load opening / closing part;
A pressure gauge for measuring the power used by the power supplied through the load opening and closing part and a measuring transformer for the instrument equipped with a gauge transformer to allow the trainee to directly perform various tests for the occurrence of the power failure ;
A vacuum circuit breaker for performing an exercise for restoring power when the power supplied through the voltage transforming and measuring unit for the instrument is cut off by a power failure and an emergency situation due to a power failure or a power restoration process when power is supplied from a power source after a power failure The first electrostatic and substation practice part that can conduct the exercises for the students;
A transformer for transforming an extra-high voltage power source to a low voltage, and a switch for protecting the transformer;
An air current breaker for blocking an arc generated when a line to be supplied with a low voltage converted through the transformer is opened and closed, and an automatic changeover switch for performing a power failure test 2 Power outage and rehabilitation part; And
A rectifier for converting AC into DC to supply power to the power substation, and a battery unit for the practitioner to directly check the process of supplying power to the power substation in a normal power supply state Simulation device of educational water distribution system including rectification part. The method according to claim 1,
Wherein,
Characterized in that the high-voltage power source and the low-voltage power source are displayed in different colors in the front surface. The method according to claim 1,
Wherein,
And a display unit which is formed on the front surface and sequentially displays the moving state of the power source in the order that the power source passing through the respective components is converted from the special high-voltage power source to the low-voltage power source. The method according to claim 1,
The load opening /
And a lightning arrester provided for protecting the component due to an externally applied abnormal voltage and discharging the abnormal voltage to the ground, wherein the lightning arrester is visually recognizable from the outside of the main body through the transparent window, Simulation device of facility. The method according to claim 1,
The above-described change-
And a power fuse exerciser installed for replacement training of a power fuse for short-circuit protection of the component. The method according to claim 1,
The first power interruption /
Instrument transforming practice for measurement of line voltage;
A change-of-practice section for a meter that can conduct a measurement exercise on a current state flowing to each line by switching a high-voltage large current to a low-current state;
An overcurrent relay exerciser capable of performing an operation of turning off the vacuum circuit breaker when an overcurrent is generated to shut off a high voltage applied through a power supply source;
And an uninterruptible power supply training unit for tripping the vacuum circuit breaker by an electric signal applied from the voltage transforming and measuring unit for the instrument when a power failure occurs. The method according to claim 6,
Wherein,
And a self-generator for generating electricity when the uninterruptible power supply unit is switched to an off state.

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