RU87298U1 - ELECTRICAL SUPPLY UNIT CONTAINER - Google Patents

Abstract

1. Block-container of power supply, containing the main and backup sources of power supply, made in the form of microturbine installations, the container, the inner space of which is divided by a partition into two compartments equipped with separate entrances, while the main compartment is equipped with a main power source, characterized in that it equipped with an additional container, the inner space of which is divided by a partition into two compartments equipped with separate entrances, while a backup is installed in the first compartment an electric power supply meter, an auxiliary cabinet, a battery cabinet, input blinds with a drive, electric heating panels and exhaust fans, and in the second low-voltage compartment, a control cabinet with cable entries for automation and power supply is installed, and in the first compartment of the main container an additional cabinet is installed auxiliary needs, battery cabinet, entrance blinds with a drive, electric heating panels and exhaust fans, and in the second high-voltage compartment of the main container hosted a high-voltage transformer, a shield of high voltage equipment and high-voltage cable entry. ! 2. The block container according to claim 1, characterized in that in the high-voltage compartment, an additional mesh partition with a mesh door is installed.

Description

The inventive utility model relates to the electric power industry, namely, to electrical devices of uninterrupted power supply. The prefabricated power supply container block BKES - 60 - 1-8 is intended to be used as the main, in the absence of an industrial network voltage, or emergency, in the presence of an industrial network voltage, an electric power source, voltage of 10 (6) kV, to provide power to consumers three-phase alternating current voltage of 10 kV, frequency of 50 Hz.

It is known block-complete power supply device containing a block box, the main and backup sources of power supply, while the inner space of the block box is divided by partitions, at least two compartments equipped with separate entrances, in the first compartment there is a main power supply made in in the form of a microturbine installation, and in the second compartment there is a backup source of power supply, also made in the form of a microturbine installation. RU 68800 U1, H02J 9/00, Н02В 7/00, 11/27/2007.

The disadvantage of this device is the presence of one container in which there are two sources of power supply - the main and backup - power sources are made in the form of low-power microturbine generators "Capstone Microturbine C30" manufactured by Capstone Turbine Corporation, USA.

The specified system of guaranteed nutrition is the combination of essential features the closest system of the same purpose to the claimed utility model.

The technical problem to which the claimed utility model is directed is to increase the power and reliability of the power supply source, comfort and ease of maintenance of the uninterruptible power supply unit.

The technical result provided by the utility model is the provision of highly reliable uninterrupted power supply and the possibility of installing block-containers of power supply with microturbine generators along gas pipelines using associated gas with a pressure of 5.2 ... 5.6 atm at the inlet to the microturbine installation.

The problem is solved and the technical result is achieved due to the fact that the power supply unit container contains the main and backup power sources made in the form of microturbine installations, the container, the inner space of which is divided by a partition into two compartments equipped with separate entrances, the main compartment being installed the power source, while new is that it is equipped with an additional container, the inner space of which is divided by a partition into two a compartment equipped with separate entrances, while in the first compartment there is a redundant power supply source, an auxiliary cabinet, a battery cabinet, input blinds with a drive, electric heating panels and exhaust fans, and a control cabinet with cable entries for automation is installed in the second compartment, a low-voltage compartment and auxiliary supply, moreover, in the first compartment of the main container an additional auxiliary cabinet, a battery cabinet, entrance blinds with a drive, an electric heater are installed panels e and exhaust fans, and the second high-voltage compartment container main housed high voltage transformer, high voltage equipment and shield the high voltage cable input.

And also by the fact that an additional mesh partition with a mesh door can be installed in the high-voltage compartment.

The implementation of the power supply block container in the form of two separate containers allows to increase the convenience, safety and reliability of the unit maintenance, as well as the opportunity to install a more powerful Capstone Microturbine type C65 microturbine unit in each container.

Figure 1 shows a General view of the power supply container block.

Figure 2 shows the main container of power supply in section.

Figure 3 shows the layout of equipment in the main container.

Figure 4 shows an additional container in section.

Figure 5 shows the layout of equipment in the main container.

The power supply block container (BKES) contains the main 1 and backup 2 power sources made in the form of microturbine units (MTU). A container 3, the inner space of which is divided by a partition 4 into two compartments 5, 6, equipped with separate inputs 7, 8. In the first compartment 5, the main 1 source of power supply is installed. The container block is equipped with an additional container 9. The inner space of the container 9 is divided by a partition 10 into two compartments 11, 12, equipped with separate inputs 13, 14. In the first compartment 11 of the additional container 9, a backup 2 power supply source, an auxiliary cabinet 15, an accumulator cabinet 16 are installed batteries, input blinds 17 with a drive, electric heating panels 18 and exhaust fans 19, and in the second low-voltage compartment 12, a control cabinet 20 with cable entries 21 for automation and power supply is installed. In the first compartment 5 of the main container 3, an auxiliary cabinet 22, a cabinet of 23 rechargeable batteries, input louvers 24 with a drive, electric heating panels 25 and exhaust fans 26 are additionally installed. In the second high-voltage compartment 6 of the main container 3, a high-voltage transformer 27, a shield of high-voltage equipment 28 and cable high-voltage input 29. In the high-voltage compartment 6 can be installed additional mesh partition 30 with a mesh door 31.

BKES structurally consists of two docked containers 3 and 9. Container 9 with MTU 2 and low-voltage compartment 12 and container 3 with MTU 1 and high-voltage compartment 6, interconnected by electric cables.

The gas supply system in MTU 1 is mounted in the container 3 in the right corner from the entrance door 7, and the gas supply system in the MTU 2 is mounted in the container 9 in the left corner of the entrance door 13. Both systems consist of:

- pipelines with a DELTA gas meter with shut-off valves;

- DELTA gas meter bypass piping with shut-off valve;

- racks with gas filter, pressure gauge and shut-off valve;

- pipeline ("candle") gas discharge with a shut-off valve;

- shutoff solenoid valve.

An opening was made in the ceiling of the high-voltage compartment 6 for the passage of high-voltage tires. A high-voltage input tower is mounted above the hole with bushings and pin insulators, gate arresters and a rotary traverse installed on it for connecting a 10 kV overhead line.

In compartment 6, a lock was made between the main and grounding knives of the 10 kV disconnector, preventing the main knives from turning on when the grounding knives are turned on, turning on the grounding knives when the main knives are turned on, and the mesh door 31 is opened when the main knives are turned on and the grounding knives are off. The lock is located on the partition 30 with the mesh door 31.

The scheme of work of the BKES is divided into the following chains, distinguished by functional purpose:

- power switching;

- control, parameter control, protection and alarm systems;

- lighting containers;

- container ventilation and heating systems;

- fire alarm and automatic fire extinguishing;

- security alarm.

Power switching circuits contain a set of elements that ensure the transmission of electricity from MTU 1, 2 to an external 10 kV overhead line.

The control system MTU 1, 2 provides the following control modes: automatic and remote.

To ensure normal thermal conditions in compartment 5 and 11 of MTU 1, 2, three openings are provided, one of which has input louvres 17, 24 of electric air supply, and two other exhaust fans 19, 26 and air dampers with actuators. Outside air for cooling and combustion during operation of MTU 1, 2 enters through the entrance blinds 17, 24 with a drive located on the opposite entrance door 13 7 of the wall. To prevent 3.9 foreign objects from entering the container, the entrance blinds 17, 24 are closed externally with a protective grill.

Installation of containers is carried out according to the installation scheme.

Containers 3, 9 are installed on a pre-prepared foundation base, able to withstand the load created by the container and provide ease of maintenance, convenience for refueling and lubricants, good conditions for cooling and air intake.

The order of work in automatic control mode. To transfer the BKES to the automatic control mode, on the front panel of the low voltage switchgear (LVLR), switch the "Control" switch to the "Automatic mode" position.

In the event of a complete absence of voltage from the side of the 10 kV overhead line, voltage control is carried out on the side of 0.4 kV, both MTUs are automatically started. MTU, which first enters the mode, is switched on to the 10 kV line, the second MTU stops.

In the case of a stop due to an accident or other reason of a working MTU, the second MTU is automatically started and connected to the line. A break in power supply in this case is no more than 5 minutes.

The MTU can be stopped in automatic mode in the following ways: by remote command from the telemetry system or by switching the toggle switch "Control to the" Dist "position, if there is no telemetry command to start the MTU.

The procedure for working in remote control mode. To put BKES into remote control mode, on the RUNN front panel, switch the “Control” toggle switch to the “Remote control” position. In this case, the MTU is launched according to commands from telemetry, the commands are submitted to each MTU separately. In the case of giving a start command to both MTUs at once, the start algorithm corresponds to a start in automatic control mode, with one of the MTUs stopped. The start command must be constant.

The MTU can be stopped in the remote control mode in the following ways: by removing a start command or by issuing a permanent stop command, in this case, the MTU can be stopped even if there is a start command.

Claims (2)

1. Block-container of power supply, containing the main and backup sources of power supply, made in the form of microturbine installations, the container, the inner space of which is divided by a partition into two compartments equipped with separate entrances, while the main compartment is equipped with a main power source, characterized in that it equipped with an additional container, the inner space of which is divided by a partition into two compartments equipped with separate entrances, while a backup is installed in the first compartment an electric power supply meter, an auxiliary cabinet, a battery cabinet, input blinds with a drive, electric heating panels and exhaust fans, and in the second low-voltage compartment, a control cabinet with cable entries for automation and power supply is installed, and in the first compartment of the main container an additional cabinet is installed auxiliary needs, battery cabinet, entrance blinds with a drive, electric heating panels and exhaust fans, and in the second high-voltage compartment of the main container hosted a high-voltage transformer, a shield of high voltage equipment and high-voltage cable entry. 2. The block container according to claim 1, characterized in that an additional mesh partition with a mesh door is installed in the high-voltage compartment.