KR20090020189A - The working method on low voltage electric distribution lines with uninterruptible power supply attached an electric generator - Google Patents

The working method on low voltage electric distribution lines with uninterruptible power supply attached an electric generator Download PDF

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Publication number
KR20090020189A
KR20090020189A KR1020070084729A KR20070084729A KR20090020189A KR 20090020189 A KR20090020189 A KR 20090020189A KR 1020070084729 A KR1020070084729 A KR 1020070084729A KR 20070084729 A KR20070084729 A KR 20070084729A KR 20090020189 A KR20090020189 A KR 20090020189A
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KR
South Korea
Prior art keywords
ups
low
power supply
power
generator
Prior art date
Application number
KR1020070084729A
Other languages
Korean (ko)
Inventor
하영숙
Original Assignee
하영숙
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 하영숙 filed Critical 하영숙
Priority to KR1020070084729A priority Critical patent/KR20090020189A/en
Publication of KR20090020189A publication Critical patent/KR20090020189A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/14—Vehicles adapted to transport, to carry or to comprise special loads or objects the object being a workshop for servicing, for maintenance, or for carrying workmen during work
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/004—Arrangements for interchanging inductances, transformers or coils thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/02—Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Stand-By Power Supply Arrangements (AREA)

Abstract

A uninterruptible power supply apparatus of generator part and working method changing the distribution low pressure equipment using the same are provided to prevent the power failure according to the low-voltage installation task by supplying the non-break power source to the load side of the distribution line low-voltage installation replace place. The generator part uninterruptible power supply apparatus mounts the UPS more than the replacement object low-voltage installation load side load capacity on the inside of the top of the uninterruptible device for by-pass. The battery supplies the DC power supply to the inverter of UPS when commercial AC source supplied to the UPS had power failure. The generator switches with the common electricity in the converter power of the UPS to supplement the BACK-UP temporal restriction of battery selectively.

Description

The working method on low voltage electric distribution lines with Uninterruptible Power Supply attached an electric generator}

1 is a structural diagram of a UPS device used in the present invention

Figure 2 is a front view of the present invention low voltage uninterruptible replacement generator unit UPS device

Figure 3 is a rear view of the present invention low voltage uninterruptible replacement generator unit UPS device

Figure 4 is an illustration of the replacement operation of the low pressure facility according to the present invention

5 is a circuit diagram according to the present invention.

[Explanation of symbols on the main parts of the drawings]

1: UPS device for uninterruptible replacement of low voltage facility

2: UPS unit for low voltage facility uninterruptible replacement generator unit

3: UPS mounted inside the tower

4: UPS input terminal

5: UPS output terminal

12. Battery for DC supply of UPS

13. Generator

14. UPS Converter

15. UPS Inverter

16. STATIC SWITCH OF UPS

17. Commercial power supply monitoring and output control system of the generator unit UPS of the present invention

18: cable reel

The present invention is to replace the low-voltage distribution line of the three-phase four-wire 380 / 220V or one-phase two-wire 220V supply method and the low-voltage equipment for distribution, such as the lead-in line, the meter, using a UPS device, in the way that the conventional power failure The method relates to a method that allows the user to work while supplying power continuously without power failure. More specifically, the UPS (Uninterruptible Power Supply) required for low voltage facility replacement work and the battery for supplying DC power to the inverter of the UPS In order to supplement the battery's time limit, a generator that can be selectively switched from the commercial power supply to the converter power supply of the UPS, and a bypass cable connected to the input and output terminals of the UPS are installed and replaced. Directly supply the power synchronized with the commercial power supply to the load side of the low voltage equipment to be uninterrupted and uninterrupted, It is possible to perform the work of replacing the low pressure equipment by separating it in the line state, so that the cost and labor cost can be drastically reduced through the drastic reduction of the working time, and also the electrical work can be performed safely and safely for the low pressure equipment. The present invention relates to an uninterruptible replacement work method for a low voltage installation for power distribution using a generator UPS device.

In general, work on the low-voltage distribution line of the secondary transformer has been performed by diagonal work involving power failure, not uninterrupted power, but for customers who use electricity, inconveniences and damages caused by power failure have occurred. From the standpoint, power supply reliability due to power outages was inevitably deteriorated, and the contractor's point of view had to increase various inconveniences and costs such as having to agree on the date and time of the outage with the electric user in advance and inform them of the power outage before work. It was an inevitable situation.

In order to solve this problem, the present inventors can selectively switch the commercial power and the generator output power on the input terminal side for monitoring the commercial power of the UPS, and the back converter more than the time required for starting the converter and the generator of the UPS. With a battery that guarantees UP time, an inverter, an emergency bypass circuit, a commercial power monitoring device, a UPS output control device, and a cable reel for winding the UPS output terminal and the input terminal side, With the UPS itself connected directly through the built-in By-Pass circuit, the cable drawn from the UPS input terminal is replaced with the cable drawn from the UPS output terminal on the load side of the replacement equipment. After connecting the electrical phase and phase difference, connect the target equipment and load side of each phase (A, B, C, N), and cut off the UPS inverter. After the power reaches the normal output in synchronization with the commercial power, the power supply circuit supplied to the low voltage line through the emergency bypass circuit using the STATIC SWITCH of the UPS Switch to the circuit between the output terminals, operate the generator to reach the normal output of the generator, disconnect the power connection part of the replacement equipment, and switch the input power of the UPS converter from the commercial power source to the generator using SW1, and then By disconnecting the commercial power monitoring cable on the input terminal side from the replacement target equipment, the load is transferred uninterrupted through the UPS, and the low pressure equipment should be replaced under an environment where the low pressure equipment can be operated in a completely diagonal state. In order to achieve the intended purpose of the project by returning to the original order after completing the replacement of the facility, It was invented base UPS device and the low-pressure facility uninterrupted replacement method using the same.

The present invention is to actively solve the problems caused by the operation of the low-voltage line or the incoming line or the power meter replacement of the conventional distribution line low-voltage equipment in a diagonal line, the UPS and UPS batteries and a battery back to one bypass unit -UP is equipped with a generator and cable reel to remove the limitation of time, and supplying the same power to the load side of the low voltage equipment to be replaced in an uninterrupted and uninterrupted manner, it is possible to perform the low pressure equipment replacement work perfectly by the uninterrupted method. It is the main object of the present invention.

The present invention is a UPS unit for uninterruptible low-voltage equipment replacement generator unit, the UPS of the uninterruptible low-voltage equipment installed on the inside of the top of the uninterruptible bypass device load capacity or more than the load-side capacity of the replacement, and the bypass inside the tower This is achieved by having a cable reel wound with a plurality of cables for the work.

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

According to the present invention, the equipment required for replacing a low voltage facility using an uninterruptible method (UPS, battery, generator, cable, etc.) is mounted on one uninterruptible bypass device and uses a low voltage by using electric power charged in a UPS battery. By supplying power to the secondary low voltage line in an uninterrupted and uninterruptible manner, and when the generator output is normal, the power supply and load side of the low voltage equipment to be replaced are separated by switching the converter power of the UPS to the generator side and supplying it to the load side through the inverter. It is a characteristic gist of the present invention that it is possible to safely and low-pressure equipment replacement work in a diagonal state to provide a significant cost reduction, shortening the working time, and improve the safety of the work.

In the present invention, the UPS (3), the battery (12), the generator (13), and the cable reel are installed in the tower body (2) of the uninterruptible bypass device (1). .

The UPS 3 receives 380V or 220V power from a separate place or work site or an auxiliary auxiliary power generator in advance, converts the power to DC through a converter and a charger, and charges the UPS battery, and then replaces the low-voltage equipment. If you want to go to the work site and match the electrical phase of the UPS output terminal and the low-voltage line of the distribution line, and supply to the low-voltage line so that the low-voltage equipment can be replaced in the uninterrupted state.

The detailed configuration of such a UPS is described in detail in the electrical theory commonly used with the present invention of the UPS, and thus the detailed description thereof will be omitted.

Referring to the operational process utilizing the present invention in the low-pressure equipment replacement operation that is the core purpose of the present invention made of such a configuration as follows

With the input terminal and output terminal of the UPS itself connected directly through the built-in By-Pass circuit, the cable drawn from the input terminal 4 for UPS commercial power monitoring device is connected to the low-voltage equipment to be replaced, and the UPS output to the load side 6. Connect the cables drawn from the terminal 5 after matching the electrical phase and phase difference, and cut off the low voltage facility and load side connection part 11 for each phase (A, B, C, N), and the output of the UPS inverter After reaching the normal output in synchronization with the commercial power source, the power supply circuit supplied to the low voltage line through the emergency bypass circuit using the STATIC SWITCH (16) of the UPS is connected to the input terminal (4), which is the UPS main circuit, and the converter. (14) is switched to the circuit between the inverter 15 and the output terminal (5), and when the generator 13 is operated to reach the normal output of the generator, the input power of the UPS converter from the commercial power source to the generator (using SW1) 13), then the UPS input stage Side by a commercial power source and disconnect the cable from the monitoring equipment replacement target low pressure side, so as to replace the low-pressure equipment in environments that can work as a full scan line state. After replacing the low voltage equipment originally intended, return to the original state in the reverse order. Connect the low voltage equipment power source to be replaced, check the electrical phase between the UPS input terminal side cable and the low voltage equipment, and connect the power supply to the generator. After converting the converter power of the UPS to the power source, the switch between the converter and the input terminal of the UPS is turned on, and the power supply path is switched to the By-Pass circuit of the UPS by using the STATIC SWITCH (16) of the UPS. The core purpose of this high voltage is achieved by connecting the low voltage facility (A, B, C, N) and load side connection part (11), and removing the UPS input terminal and output terminal cables.

The present invention is connected to a UPS required to replace the low-voltage equipment in one bypass unit, a battery for supplying DC power to the UPS, an alternator to compensate for the time limit of the battery, and the input terminal and output terminal of the UPS By installing a bypass cable and supplying uninterrupted power supply to the load side of the low-voltage equipment replacement site of the distribution line, it creates a condition to perform the uninterruptible replacement work of the low-voltage equipment completely. By avoiding the inconvenience and loss caused by the power outage of the electric user, it is possible to prevent the electricity supplier from losing the reliability of the electricity supply, and to reduce the costs associated with the power failure guidance and the electrostatic agreement of the contractor.

Claims (1)

Claim 1. Low voltage line work uninterruptible method that allows uninterrupted operation using UPS or generator unit UPS equipment in simultaneous or separate replacement or removal of new low voltage line, lead wire, and power meter for power distribution.
KR1020070084729A 2007-08-23 2007-08-23 The working method on low voltage electric distribution lines with uninterruptible power supply attached an electric generator KR20090020189A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070084729A KR20090020189A (en) 2007-08-23 2007-08-23 The working method on low voltage electric distribution lines with uninterruptible power supply attached an electric generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070084729A KR20090020189A (en) 2007-08-23 2007-08-23 The working method on low voltage electric distribution lines with uninterruptible power supply attached an electric generator

Publications (1)

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KR20090020189A true KR20090020189A (en) 2009-02-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114142423A (en) * 2021-12-17 2022-03-04 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 Intelligent emergency power supply equipment capable of achieving rapid networking for natural disasters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114142423A (en) * 2021-12-17 2022-03-04 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 Intelligent emergency power supply equipment capable of achieving rapid networking for natural disasters
CN114142423B (en) * 2021-12-17 2023-11-07 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 Intelligent emergency power supply equipment capable of being quickly networked for natural disasters

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