CN206775368U - A kind of high voltage shore power variable-frequency power sources power cell - Google Patents
A kind of high voltage shore power variable-frequency power sources power cell Download PDFInfo
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- CN206775368U CN206775368U CN201720386968.1U CN201720386968U CN206775368U CN 206775368 U CN206775368 U CN 206775368U CN 201720386968 U CN201720386968 U CN 201720386968U CN 206775368 U CN206775368 U CN 206775368U
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Abstract
The utility model discloses a kind of high voltage shore power variable-frequency power sources power cell, including casing, power cell is installed in casing, radiator, thin film capacitor supporting plate and insulator are fixed with power cell internal left plate；Thin film capacitor is installed in thin film capacitor supporting plate；Three-phase alternating current input copper bar is fixed with insulator；Commutation diode module and IGBT module are installed on radiator；The AC of commutation diode module is connected with three-phase alternating current input copper bar, and DC side is connected by copper bar of transferring with stack bus bar；Driving plate and Absorption Capacitance are installed in IGBT module；Circuit board piece supporting plate is provided with by copper post on radiator, module control panel and Switching Power Supply are installed in circuit board piece supporting plate.The utility model uses modularized design, and versatility and maintainability are strong；Power density is high, and reliability is high, and output capacity is bigger.
Description
Technical field
Power cell, more particularly to a kind of high voltage shore power variable-frequency power sources power cell are the utility model is related to, belongs to harbour
Shore-based power supply technical field.
Background technology
Shore-side power for vessels in ports, during referring to that ship reaches port, the generator on ship is stopped using, and use land electricity instead
The correlation technique that source is powered.Whole yard craft bank electricity system can be largely classified into three parts：Shore-based power supply system, ship
Oceangoing ship is by electric system and connection between ship and bank equipment.Wherein high voltage shore power variable-frequency power sources is the important composition of 60Hz power supply shore-based power supply systems
Part, it is related to the reliability, security and power quality of power supply.
High voltage shore power variable-frequency power sources is mainly by phase-shifting rectifier transformer, power cell, control unit, breaker, charging electricity
The high pressure three-phase electricity of input is changed into multiple low voltage three-phase electricity by the composition such as resistance, phase-shifting rectifier transformer；Power cell is low pressure three
Mutually electricity carries out rectification, and inversion is single-phase 60Hz low tension, and it is 60Hz/ that then multiple power cells, which carry out series boosting,
6.6kV high-tension electricity；Control unit is used to be acquired voltage, electric current and frequency of variable-frequency power sources etc. and closed-loop control, defeated
Go out control signal to power cell；Breaker is used for the switch closing and switch opening control that variable-frequency power sources is inputted and exported；Charging resistor is used
In entering line precharge to power cell DC bus capacitor device, it is ensured that the safety of power cell DC bus capacitor device.
In high voltage shore power variable-frequency power sources, power cell be mainly used in power supply rectification and inversion, it is necessary to carry out good
Technical-constructive design, thermal design and insulating Design, are the core components for realizing shore electric power frequency and voltage transformation, power cell
The quality of design is directly connected to the reliability and maintainability of high voltage shore power variable-frequency power sources.
High voltage shore power variable-frequency power sources is mainly used in the 50Hz/10kV power supplys of power network being changed into 60Hz/6.6kV power supplys, to ship
Oceangoing ship is powered.Power cell is the core component of high voltage shore power variable-frequency power sources, for realizing the conversion of voltage and frequency, what it was designed
Reliability, maintainable requirement are higher, and need to be placed on wharf apron, and environment is more severe.
Existing high voltage shore power variable-frequency power sources power cell is non-modular designs, and versatility and maintainability are weaker, no
It is easy to realize bigger capacity by effective connection in series-parallel；Power density is relatively low；Less reliable；System operating voltage compared with
Low, output capacity is smaller.
Utility model content
The utility model is to solve above-mentioned deficiency, there is provided a kind of high voltage shore power variable-frequency power sources power cell.
Above-mentioned purpose of the present utility model is realized by following technical scheme：A kind of high voltage shore power variable-frequency power sources power
Unit, it is characterised in that：Including casing, power cell is installed in the casing, consolidated on the power cell internal left plate
Surely there are radiator, thin film capacitor supporting plate and insulator；
Thin film capacitor is installed, the other end of thin film capacitor is connected with lamination mother in the thin film capacitor supporting plate
Row；
Three-phase alternating current input copper bar is fixed with the insulator, three-phase alternating current input copper bar is divided into two sections, two sections of centres
It is fixed with fuse；
Commutation diode module and IGBT module are installed on the radiator；The AC of commutation diode module and three
Cross streams input copper bar connection, the DC side of commutation diode module are connected by copper bar of transferring with stack bus bar；IGBT module
On driving plate and Absorption Capacitance are installed, the DC side of IGBT module is connected with stack bus bar, and the AC of IGBT module passes through
Single phase ac output copper bar is connected on the outside of IGBT module；Copper post is installed, copper post upper end is provided with circuit on the radiator
Plate supporting plate, module control panel and Switching Power Supply are installed in circuit board piece supporting plate；
Copped wave resistance is fixed with the outside of the right plate of the power cell, and convenient maintenance and programming are provided with right plate
The square hole of program, the square hole are provided with a cover plate；
The casing front is provided with single phase ac output copper bar wire hole, and two single phase ac output copper bars pass through collets
It is fixed；Casing front is provided with the fiber outlet of module control panel；
Casing front middle and lower part is provided with the hole for facilitating power cell lift to draw；
The casing right panel is provided with three-phase alternating current input copper bar wire hole, copped wave resistance supporting plate and copped wave resistance
Wiring hole.
The casing front is provided with air inlet, and the back side is provided with air outlet, is provided with wind guide tank outside air outlet, facilitates power list
The installation of member and the seal in air channel.
The three-phase alternating current input copper bar and single phase ac output copper bar of the power cell stretch out casing and external cable or
Copper bar connects, and facilitates I＆M.
The casing is made by covering aluminium zine plate, and casing is provided with layer of paint, it is ensured that antiseptic property.
The utility model compared with prior art the advantages of be：
1st, modularized design, versatility and maintainability are strong, are easy to realize bigger capacity by effective connection in series-parallel；
2nd, power density is high, and the utility model is integrated into all components of power cell in one casing, compact-sized,
Integrated level is good, and power density is high；
3rd, reliability is high, modularized design and production, greatly improves system reliability；
4th, the design of Absorption Capacitance and stack bus bar, the overvoltage of system is substantially reduced, system operating voltage can be made
Higher, output capacity is bigger.
Brief description of the drawings
Fig. 1 is positive structure schematic of the present utility model.
Fig. 2 is internal structure schematic diagram one of the present utility model.
Fig. 3 is internal structure schematic diagram two of the present utility model.
Fig. 4 is structure schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail with reference to embodiment.
As shown in Figure 1 and Figure 2, a kind of high voltage shore power variable-frequency power sources power cell, including casing 1, the casing 1 is interior to be installed
There is power cell, radiator 2, thin film capacitor supporting plate 3 and insulator 4 are fixed with the power cell internal left plate；
Thin film capacitor 5 is installed, the other end of thin film capacitor 5 is connected with folded in the thin film capacitor supporting plate 3
Layer busbar 6；
Three-phase alternating current input copper bar 7 is fixed with the insulator 4, three-phase alternating current input copper bar 7 is divided to in two sections, two sections
Between be fixed with fuse 8；
Commutation diode module 9 and IGBT module 10 are installed on the radiator 2；The exchange of commutation diode module 9
Side is connected with three-phase alternating current input copper bar 7, and the DC side of commutation diode module 9 passes through copper bar 11 and the phase of stack bus bar 6 of transferring
Even；Driving plate 12 and Absorption Capacitance 13 are installed in IGBT module 10, the DC side of IGBT module 10 is connected with stack bus bar 6,
The AC of IGBT module 10 exports copper bar 14 by single phase ac and is connected to the outside of IGBT module 10；Institute as shown in Figure 1, Figure 2 and Figure 3
Show, copper post 15 is provided with the radiator 2, and the upper end of copper post 15 is provided with circuit board piece supporting plate 16, circuit board piece supporting plate
Module control panel 17 and Switching Power Supply 18 are installed on 16；
Copped wave resistance 19 is fixed with the outside of the right plate of the power cell, and convenient maintenance is provided with right plate and is burnt
The square hole 20 of program writing, the square hole 20 are provided with a cover plate 21；
The front of casing 1 is provided with single phase ac output copper bar wire hole 26, and two single phase ac output copper bars 14 pass through
Collets 22 are fixed；The front of casing 1 is provided with the fiber outlet 23 of module control panel 17；
The 1 positive middle and lower part of casing is provided with the hole 24 for facilitating power cell lift to draw；
The right panel of casing 1 is provided with three-phase alternating current input copper bar wire hole 25, copped wave resistance supporting plate 27 and cut
Ripple resistor wiring hole 28.
As Figure 1 and Figure 4, the front of the casing 1 is provided with air inlet 29, and the back side is provided with air outlet 30, outside air outlet 30
Provided with wind guide tank 31, facilitate the installation of power cell and the seal in air channel.
The three-phase alternating current input copper bar 7 and single phase ac output copper bar 14 of the power cell stretch out casing 1 and external electrical
Cable or copper bar connection, facilitate I＆M.
The casing 1 is made by covering aluminium zine plate, and casing 1 is provided with layer of paint, it is ensured that antiseptic property.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and embodiment content, or directly or indirectly use
In other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (4)
- A kind of 1. high voltage shore power variable-frequency power sources power cell, it is characterised in that：Including casing, power list is installed in the casing Member, radiator, thin film capacitor supporting plate and insulator are fixed with the power cell internal left plate；Thin film capacitor is installed, the other end of thin film capacitor is connected with stack bus bar in the thin film capacitor supporting plate；Three-phase alternating current input copper bar is fixed with the insulator, three-phase alternating current input copper bar is divided into fixed among two sections, two sections There is fuse；Commutation diode module and IGBT module are installed on the radiator；The AC of commutation diode module intersects with three Stream input copper bar connection, the DC side of commutation diode module are connected by copper bar of transferring with stack bus bar；Pacify in IGBT module Equipped with driving plate and Absorption Capacitance, the DC side of IGBT module is connected with stack bus bar, and the AC of IGBT module passes through single-phase Exchange output copper bar is connected on the outside of IGBT module；Copper post is installed, copper post upper end is provided with circuit board piece on the radiator Supporting plate, module control panel and Switching Power Supply are installed in circuit board piece supporting plate；Copped wave resistance is fixed with the outside of the right plate of the power cell, and convenient maintenance and programming program are provided with right plate Square hole, the square hole is provided with a cover plate；The casing front is provided with single phase ac output copper bar wire hole, and two single phase ac output copper bars are carried out by collets It is fixed；Casing front is provided with the fiber outlet of module control panel；Casing front middle and lower part is provided with the hole for facilitating power cell lift to draw；The casing right panel is provided with three-phase alternating current input copper bar wire hole, copped wave resistance supporting plate and copped wave resistor wiring Hole.
- A kind of 2. high voltage shore power variable-frequency power sources power cell according to claim 1, it is characterised in that：The casing front Provided with air inlet, the back side is provided with air outlet, and wind guide tank is provided with outside air outlet, facilitate power cell installation and air channel it is closed Property.
- A kind of 3. high voltage shore power variable-frequency power sources power cell according to claim 1, it is characterised in that：The power cell Three-phase alternating current input copper bar and single phase ac output copper bar stretch out casing and be connected with external cable or copper bar, convenient installation is with tieing up Shield.
- A kind of 4. high voltage shore power variable-frequency power sources power cell according to claim 1, it is characterised in that：The casing is by covering Aluminium zine plate is made, and casing is provided with layer of paint, it is ensured that antiseptic property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720386968.1U CN206775368U (en) | 2017-04-13 | 2017-04-13 | A kind of high voltage shore power variable-frequency power sources power cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720386968.1U CN206775368U (en) | 2017-04-13 | 2017-04-13 | A kind of high voltage shore power variable-frequency power sources power cell |
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| CN206775368U true CN206775368U (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720386968.1U Active CN206775368U (en) | 2017-04-13 | 2017-04-13 | A kind of high voltage shore power variable-frequency power sources power cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011546A (en) * | 2019-03-15 | 2019-07-12 | 郑州智驱科技有限公司 | A kind of electric machine controller (PCC) power |
-
2017
- 2017-04-13 CN CN201720386968.1U patent/CN206775368U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011546A (en) * | 2019-03-15 | 2019-07-12 | 郑州智驱科技有限公司 | A kind of electric machine controller (PCC) power |
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