DE202022107021U1 - A cooling system for use in SVG systems - Google Patents

Abstract

A cooling system for use in SVG plants, characterized in that it comprises:
a water tank (1);
water-cooling pipes (2) both ends of which are connected to the water tank (1), the water-cooling pipes (2) being laid integrally on the periphery of the equipment;
a main water pump (31) connected to water cooling pipes (2) to achieve water circulation in water cooling pipes (2).

Description

technical field

The application relates to the technical field of heat dissipation, in particular to a cooling system for use in SVG systems.

background technique

SVG (Static Var Generator = electrostatic reactive power generator), also known as ASVC (Advanced Static Var Compensator) or STATCOM (Static Compensator), is a system for dynamic reactive power compensation through self-phase-converting bridge converters of the power semiconductor. The SVG is by far the most powerful static power factor correction system.

In practice, air-cooled cooling systems are often used to remove the heat from the SVG plant, where the cooling works in such a way that a fan draws enough cold air from the outside into the SVG chamber to remove the heat from the unit, and then which exhausts hot air from the outlet.

At the same time, however, this type of heat dissipation draws dust and moisture from the outside into the SVG power cabinet, which, due to adhesion, contaminates and damages the printed circuit board, thus impairing the normal operation of the system.

content of the application

For this reason it is necessary to propose a cooling system for use in SVG plants that solves the technical problems mentioned above.

• einen Wassertank;
• Wasserkühlungsrohre, deren beide Enden mit dem Wassertank verbunden sind, wobei die Wasserkühlungsrohre einstückig auf dem Umfang der Anlage verlegt sind;
• eine Hauptwasserpumpe, die mit Wasserkühlungsrohren verbunden ist, um eine Wasserzirkulation in Wasserkühlungsrohren zu erreichen.

The cooling system for use in SVG systems includes:

• a water tank;
• water-cooling pipes both ends of which are connected to the water tank, the water-cooling pipes being laid integrally on the periphery of the equipment;
• a main water pump connected with water cooling pipes to achieve water circulation in water cooling pipes.

• eine Reservewasserpumpe, die mit Wasserkühlungsrohren (2) verbunden ist.

In some embodiments, the cooling system for use in SVG equipment further includes:

• a reserve water pump connected to water cooling pipes (2).

• einen Vorlaufwassertemperatursensor, der am Einlassende des Wasserkühlungsrohrs vorgesehen ist;
• einen Rücklaufwassertemperatursensor, der am Auslassende des Wasserkühlungsrohrs angebracht ist.

In some embodiments, the cooling system for use in SVG equipment further includes:

• a supply water temperature sensor provided at the inlet end of the water cooling pipe;
• a return water temperature sensor fitted to the outlet end of the water cooling pipe.

• einen Entionisierer, der an dem Wassertank vorgesehen ist.

In some embodiments, the cooling system for use in SVG equipment further includes:

• a deionizer provided on the water tank.

• einen Wärmetauscher, der an dem Wassertank vorgesehen ist, um die Temperatur des Kühlmittels in dem Wassertank zu verringern.

In some embodiments, the cooling system for use in SVG equipment further includes:

• a heat exchanger provided on the water tank to reduce the temperature of the coolant in the water tank.

• Durch die Bereitstellung eines Wassertanks, Wasserkühlungsrohre und einer Hauptwasserpumpe kann das Kühlmedium im Wassertank dem Wasserkühlungsrohr zugeführt werden, indem die Wasserpumpe während des Betriebs der SVG-Anlage gestartet wird, und da das Wasserkühlungsrohr am Umfang der Anlage verlegt ist, kann das Kühlmedium im Wasserkühlungsrohr durch die Rohrwand Wärme mit der Anlage austauschen, wodurch die Wärmeableitung der SVG-Anlage erfolgt. Die Anmeldung verhindert, dass Staub und Feuchte die SVG-Anlagen im Freien verunreinigen, wodurch die Ausfallrate der Anlagen verringert und ihr langfristiger normaler Betrieb gewährleistet wird.

Compared to the prior art, the present application has the following advantages:

• By providing a water tank, water cooling pipes and a main water pump, the cooling medium in the water tank can be supplied to the water cooling pipe by starting the water pump during SVG equipment operation, and since the water cooling pipe is routed on the perimeter of the equipment, the cooling medium in the water cooling pipe can flow through the pipe wall exchange heat with the plant, which results in the heat dissipation of the SVG plant. Registration prevents dust and moisture from contaminating SVG equipment outdoors, thereby reducing the equipment failure rate and ensuring its long-term normal operation.

character list

• 1 shows a schematic representation of an exemplary embodiment of the present application.

1

Wassertank;

2

Wasserkühlungsrohre;

31

Hauptwasserpumpe;

32

Reservewasserpumpe;

41

Vorlaufwassertemperatursensor;

42

Rücklaufwassertemperatursensor;

5

Wärmetauscher;

6

Entionisierer;

7

Wasserversorgungsdruckmesser;

8

Durchflussmessumformer.

In the figure:

1

water tank;

2

water cooling tubes;

31

main water pump;

32

backup water pump;

41

supply water temperature sensor;

42

return water temperature sensor;

5

heat exchangers;

6

deionizers;

7

water supply pressure gauge;

8th

flow transmitter.

Specific Embodiments

The technical solutions in the embodiments of the application are described clearly and fully hereinafter in conjunction with the accompanying drawings of the embodiments of the application to make them more complete. Of course, the described embodiments are only part of the embodiments of the utility model and do not represent all of them. Starting from the embodiments of the present application, all other embodiments achieved by a person skilled in the art without creative work fall within the scope of protection of the present application.

In describing the patent, it should be noted that the terms "top", "bottom", "inside", "outside", "front", "back", "two ends", "one end", "the other end” etc., the orientation or relationship shown is based on the orientation or relationship shown in the accompanying drawings, or on the orientation or relationship in which the product of the application is normally placed in use, and is for the convenience and simplicity of the description of the patent and is intended does not indicate or imply that the assembly or component referred to has a particular orientation and is to be constructed and operated in a particular manner and is therefore not to be construed as limiting the application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply any relative meaning.

In describing the Application, it should be noted that when the terms "install," "connect," "connect," and "arrange" appear, they should be construed broadly unless expressly stated and qualified otherwise. For example, it can be a fixed connection, a detachable connection or a one-piece connection, a mechanical connection or an electrical connection, a direct connection or an indirect connection via an intermediate medium or a connection within two components. A person skilled in the art can understand the specific meaning of the above terms in connection with the application in the individual case.

As already mentioned in the background art, in practice power plants often use air-cooled cooling systems to remove the heat from the SVG system, whereby the cooling works in such a way that a fan draws sufficient cold air from the outside into the SVG chamber to cool the heat exhaust from the unit, and then exhaust the hot air from the outlet. At the same time, however, this type of heat dissipation draws dust and moisture from the outside into the SVG power cabinet, which, due to adhesion, contaminates and damages the printed circuit board, thus impairing the normal operation of the system.

In order to solve the above problems, this application proposes a cooling system for use in SVG plants, which basically comprises: water tank 1, water cooling pipes 2, main water pump 31, backup water pump 32, supply water temperature sensor 41, return water temperature sensor 42, heat exchanger 5, Deionizer 6, water supply pressure gauge 7 and the flow rate transducer 8, where the water tank 1 is used to store the cooling medium, water cooling pipes 2 are used to convey the cooling medium and directly used to dissipate heat from SVG equipment, and main water pump 31, backup water pump 32 are both used to supply the cooling medium to circulate; The supply water temperature sensor 41 and the return water temperature sensor 42 are used to detect the temperature of the cooling medium, the heat exchanger 5 is used to reduce the temperature of the cooling medium, the deionizer 6 is used to reduce the ion concentration in the cooling medium, the water supply pressure gauge 7 is used used to detect the pressure in water cooling pipes 2 and the flow transducer 8 is used to detect the flow in water cooling pipes 2 . During the operation of the SVG equipment, the cooling medium in the water tank 1 can be supplied to the water cooling pipe 2 by starting the water pump, and since the water cooling pipe 2 is arranged on the perimeter of the equipment, the cooling medium in the water cooling pipe 2 can exchange heat with the equipment through the pipe wall, whereby the heat dissipation of the SVG system takes place. Compared to the prior art or cooling with cold outside air, the registration prevents dust and moisture from contaminating the SVG systems outdoors, thereby reducing the equipment failure rate and ensuring their long-term normal operation.

Specifically, in the exemplary embodiment, the water tank 1 is formed as a box made of PVC material and the water cooling pipe 2 is formed as a pipe made of UPVC material, and both ends of the water cooling pipe 2 are connected to the water tank 1 . Furthermore, the water cow Development pipe 2 arranged on the perimeter of the SVGF plant as a whole, either spirally and attached to the outer wall of the plant, or in the form of a network.

In other embodiments, the water cooling pipes 2 can also consist of galvanized steel pipe.

In the exemplary embodiment, the main water pump 31 and the backup water pump 32 are fixed to the outer wall of the water tank 1, while the main water pump 31 and the backup water pump 32 are connected to the inlet and outlet ends of the water cooling pipe 2 to provide the circulating power. In practice, the main water pump 31 and the backup water pump 32 can work either simultaneously or separately, both working in synergy with each other for mutual protection.

In other embodiments, the main water pump 31 and the backup water pump 32 can be mounted in other positions.

Specifically, in the exemplary embodiment, the supply water temperature sensor 41 and the return water temperature sensor 42 are provided at the inlet and outlet ends of the water-cooling pipe 2, respectively, and moreover, both the supply water temperature sensor 41 and the return water temperature sensor 42 are electrically connected to a screen for personnel to monitor the temperature of the cooling medium can be checked in good time and appropriate measures can be taken.

Specifically, in the exemplary embodiment, the deionizer 6 and the heat exchanger 5 are attached to the water tank 1, the deionizer 6 is connected to the water tank 1, and the deionizer 6 contains an ion exchange resin to exchange the various anions and cations in the water through the anion and cation exchange resin to replace, whereby the effect of reducing the ion concentration of the cooling medium in the water tank 1 is achieved. The heat exchanger 5 is an electrically operated, small-volume plate condenser which is attached to the outer wall of the water tank 1 and serves to lower the temperature of the cooling medium in the water tank 1 .

Specifically, in the exemplary embodiment, the water supply pressure gauge 7 and the flow rate transducer 8 are disposed at the inlet and outlet ends of the water cooling pipe 2, respectively, the water supply pressure gauge 7 being a YN100BF stainless steel pressure gauge, and the flow rate transducer 8 being a turbine flow meter that connects a turbine to the measurement used, first converting the flow rate to the speed of the turbine and then converting the speed to an electrical signal proportional to the flow rate, the signal being amplified and shaped by an amplifier and then passed to a counter or frequency meter, which shows the accumulated total flow rate.

In particular, in another aspect of the present application, a heat dissipation device including the cooling system applied to the SVG equipment described above is also proposed.

During the operation of the SVG equipment, by providing water tank 1, water cooling pipes 2 and main water pump 31, the cooling medium in the water tank 1 can be supplied to the water cooling pipe 2 basically by starting the water pump, and since the water cooling pipe 2 is arranged on the perimeter of the equipment, the cooling medium exchange heat with the system in the water cooling pipe 2 through the pipe wall, as a result of which the heat dissipation of the SVG system takes place. Compared to the prior art or cooling by cold outside air, the registration prevents dust and moisture from contaminating the outdoor SVG equipment, thereby reducing the failure rate of the equipment and ensuring its long-term normal operation. By providing the supply water temperature sensor 41, the return water temperature sensor 42, the water supply pressure gauge 7 and the flow rate transducer 8, the temperature, pressure and flow rate of the cooling medium can be monitored in real time to ensure safe and stable operation of the present application. By providing the heat exchanger 5, it can be ensured that the cooling medium is always at a relatively low temperature and the heat dissipation efficiency is improved, and by providing the deionizer 6, the conductivity of the liquid can be controlled below the specified value to ensure safe operation of the present application guarantee.

Finally, it should be noted that the foregoing is only a preferred embodiment of the application and the scope of protection of the application is not limited thereto; The application may have various modifications and variations for those skilled in the art. Any modification, equivalent substitution, improvement, etc. made in accordance with the spirit and principles of the application falls within the scope of the application.

Claims (5)

A cooling system for use in SVG plants, characterized in that it comprises: a water tank (1); water-cooling pipes (2) both ends of which are connected to the water tank (1), the water-cooling pipes (2) being laid integrally on the periphery of the equipment; a main water pump (31) connected to water cooling pipes (2) to achieve water circulation in water cooling pipes (2). A cooling system for use in SVG systems claim 1 , characterized in that it further comprises: a backup water pump (32) connected to water cooling pipes (2). A cooling system for use in SVG systems claim 1 , characterized by further comprising: a supply water temperature sensor (41) provided at the inlet end of the water cooling pipe (2); a return water temperature sensor (42) attached to the outlet end of the water cooling pipe (2). A cooling system for use in SVG systems claim 1 characterized by further comprising: a deionizer (6) provided on the water tank (1). A cooling system for use in SVG systems claim 1 , characterized by further comprising: a heat exchanger (5) provided on the water tank (1) for reducing the temperature of the coolant in the water tank (1).

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