CN107015169A - Detect the dry type load device of bank electricity variable-frequency power sources performance - Google Patents
Detect the dry type load device of bank electricity variable-frequency power sources performance Download PDFInfo
- Publication number
- CN107015169A CN107015169A CN201710367934.2A CN201710367934A CN107015169A CN 107015169 A CN107015169 A CN 107015169A CN 201710367934 A CN201710367934 A CN 201710367934A CN 107015169 A CN107015169 A CN 107015169A
- Authority
- CN
- China
- Prior art keywords
- load
- dry type
- frequency power
- power sources
- bank electricity
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
- G01R31/42—AC power supplies
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
A kind of dry type load device for detecting bank electricity variable-frequency power sources performance, including the load component being formed in parallel by some groups of load blocks, every group of load blocks include being equipped with control resistive module, the load switch of reactance module access respectively by parallel way on the resistive module and reactance module connected, the parallel line of every group of load blocks；Load switch is connected by control line with PLC；Also include high pressure transformation component; high pressure transformation component includes high pressure measurement PT/CT cabinets, tranformer protection cabinet, high-tension transformer and double-throw switch cabinet; picked out after high-tension cable access high pressure measurement PT/CT cabinets; it is connected into tranformer protection cabinet, then successively with load component through high-tension transformer, double-throw switch cabinet.The present invention will be arranged in same load box for the load component of shore electric power performance detection and high pressure transformation component, is moved easily, and high pressure transformation component can carry out high and low pressure, active power and reactive power test, applied widely.
Description
Technical field
The present invention relates to a kind of load device, more particularly to a kind of dry type load dress for detecting bank electricity variable-frequency power sources performance
Put.
Background technology
Harbour is the main source of port city's atmosphere pollution, and pollutant mostlys come from cargo handling operation and the ship that reaches port
Oceangoing ship is discharged.Ship discharge of reaching port refers to during ship reaches port, and is generated electricity by subsidiary engine and meets production and living needs on ship, in the same of generating
When, discharge a large amount of pollutants.Connect to be referred to bank electricity and subsidiary engine is closed during ship reaches port, electric power on the bank is provided by harbour.Due to the world
The electricity system of navigating ship is different with the electric system of China, and to ensure the continuity of marine navigation equipment work, ship is connect when using bank electricity not
Allow power-off, and influence etc. can not be produced on the safety in production at harbour, highlight the complexity of the technology.Bank electricity variable-frequency power sources is just
It is the electric energy converting equipment that electric power on the bank is provided exclusively for ship, high voltage shore power variable-frequency power sources and low pressure bank electricity variable-frequency electric can be divided into
Source.
Before bank electricity variable-frequency power sources formally puts into operation, it is necessary to it is tested, with verify its operation can
It is in the past main based on no load test by property, i.e. without the stability that the operation of bank electricity variable-frequency power sources is detected under load condition and
Reliability.But this test can not targetedly test out properties of the bank electricity variable-frequency power sources under with different loads.It is existing
Have in technology, still bringing onto load test equipment simultaneously not compatible to high voltage shore power variable-frequency power sources and low pressure bank electricity variable-frequency power sources.
In addition, the installation of current bank electricity variable-frequency power sources is on harbour scene, and bank electricity variable-frequency power sources to be born
The test equipment of load experiment, which is generally required, to be installed in factory building, and test equipment is fixed, it is impossible to be moved to scene to peace
The shore electric power installed is tested, using limited.
The content of the invention
The technical problems to be solved by the invention be in view of the shortcomings of the prior art there is provided one kind it is reasonable in design, high-performance,
The dry type load device of the detection bank electricity variable-frequency power sources performance safe and reliable, module integrated level is high.The device is can to allow high pressure
The simultaneously compatible loading test set of bank electricity variable-frequency power sources and low pressure bank electricity variable-frequency power sources, and the test equipment not only can be right
Bank electricity variable-frequency power sources carries out the electrical parameters such as voltage, electric current, frequency, harmonic wave, active power, reactive power, power factor and surveyed
Examination, while bank electricity variable-frequency power sources directly can also be carried out shock load and be dashed forward by different proportion to unload the performance tests such as load.
The technical problems to be solved by the invention are realized by following technical scheme, and the present invention is a kind of detection
The dry type load device of bank electricity variable-frequency power sources performance, is characterized in, including the load group being formed in parallel by some groups of load blocks
Part, every group of load blocks include the resistive module and reactance module connected by parallel way, the parallel connection of every group of load blocks
Control resistive module, the load switch of reactance module access respectively are equipped with circuit.
What the technical problems to be solved by the invention can also be realized by following technical scheme, the dry type load
Device also includes PLC, and described load switch is connected by control line with PLC.
What the technical problems to be solved by the invention can also be realized by following technical scheme, described dry type is born
Carry to put and also include high pressure transformation component, described high pressure transformation component includes high-tension switch cabinet, high-tension transformer and double-throw
Switch cubicle, high-tension switch cabinet is made up of high pressure measurement PT/CT cabinets and tranformer protection cabinet, high-tension cable access high pressure measurement PT/
Pick out, be connected into tranformer protection cabinet, then successively with load component through high-tension transformer, double-throw switch cabinet after CT cabinets.
What the technical problems to be solved by the invention can also be realized by following technical scheme, described high-pressure gauge
PT/CT cabinets are measured, for completing the sampling of high tension voltage current signal, controls breaker and high-pressure side microcomputer to integrate by high-voltage load and protects
Device composition is protected, high-voltage load control breaker connects with PLC, wherein, high-voltage load control breaker includes preventing from missing
Operation interlocking device and pressure relief device, secondary circuit device, protective relaying device, complete output power loop protection and every
From with no-voltage trip, overcurrent release, the defencive function that overvoltage is threaded off, low frequency is threaded off；
Described double-throw switch cabinet, for just changing, when doing Hi-pot test, low-pressure end disconnects；When doing low voltage experiment, high-pressure side
Disconnect.
What the technical problems to be solved by the invention can also be realized by following technical scheme, described dry type is born
Carry the low-temperature measurement PT/CT cabinets put and also include being connected with the double-throw switch cabinet, the low-voltage cable access low-temperature measurement PT/
After CT cabinets, it is connected through double-throw switch cabinet with load component, for completing the sampling of low voltage current signal.
What the technical problems to be solved by the invention can also be realized by following technical scheme, the load component
It is located at high pressure transformation component in same casing, load component is symmetrically arranged on the left and right sides of casing.
What the technical problems to be solved by the invention can also be realized by following technical scheme, in the casing
Provided with control room and cable vault, be provided with access path in the casing of control room both sides, casing front provided with control room door and
Maintenance door, wall box is provided with air inlet, provided with the air outlet laterally set between box top wall and wall box.
What the technical problems to be solved by the invention can also be realized by following technical scheme, described load group
Part is provided with blower fan cooling body, and described blower fan cooling body includes several axial flow blowers, and axial flow blower is examined provided with air quantity
Sensor and motor overload protector are surveyed, provided with temperature sensor in described load blocks, the air volume test sensor,
Temperature sensor is connected by signal wire with PLC, and motor overload protector is connected by control line with PLC.
What the technical problems to be solved by the invention can also be realized by following technical scheme, the dry type load
Device also includes host computer and data acquisition module, and host computer includes workbench, industrial computer and liquid crystal display, PLC
Connected by control line with industrial computer, liquid crystal display is connected by signal wire with industrial computer, industrial computer passes through network communication mould
Block is connected with data acquisition module.
What the technical problems to be solved by the invention can also be realized by following technical scheme, described load group
Part is provided with the electric control module for being used for protecting load blocks, and described electric control module includes breaker, fuse and connect
Tentaculum, each group of load blocks correspond to one group of contactor-breaker/fuse, and main loop circuit directly controls load blocks
Operation, protected using the control of contactor-breaker/fuse.
The present invention will be arranged in load box for the load component of shore electric power performance detection and high pressure transformation component,
A moveable dry type load box is made, can be moved easily whole test equipment according to detection needs, pass through PLC
Corresponding load switch is selected, realizes that the selection to the high pressure of bank electricity power source performance, low pressure, active power and reactive power is surveyed
Examination, it is applied widely；Load component in casing is formed in parallel by some load blocks, adjustment testing capacitor that can be appropriate.With
Prior art is compared, and its is reasonable in design, using flexible, is very easily carried out smooth expansion, is improved the detection to shore electric power
Scope and detection applicability.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the theory diagram of the present invention；
Fig. 3 is the high and low pressure measurement system diagram of the present invention.
Embodiment
Referring to the drawings, the concrete technical scheme of the present invention is further described, in order to which those skilled in the art enters
One step the present invention is understood, without constituting the limitation to its right.
Embodiment 1, reference picture 1-3, a kind of dry type load device of detection bank electricity variable-frequency power sources performance, including by some groups
The load component that load blocks are formed in parallel, every group of load blocks include resistive module and the reactance connected by parallel way
Control resistive module, the load switch of reactance module access respectively are equipped with module, the parallel line of every group of load blocks；
The dry type load device also includes PLC, and described load switch is connected by control line with PLC；
Described dry type load device also includes high pressure transformation component, and described high pressure transformation component includes high-tension switch cabinet, height
Pressure transformer and double-throw switch cabinet, high-tension switch cabinet are made up of high pressure measurement PT/CT cabinets and tranformer protection cabinet, high-tension cable
Picked out after access high pressure measurement PT/CT cabinets, into tranformer protection cabinet, then successively through high-tension transformer, double-throw switch cabinet with bearing
Component is carried to be connected；
Described high pressure measurement PT/CT cabinets, for complete high tension voltage current signal sampling, by high-voltage load control breaker and
High-pressure side computer integrated protection devices composition, high-voltage load control breaker connects with PLC, wherein, high-voltage load control
Breaker includes preventing maloperation interlock and pressure relief device, secondary circuit device, protective relaying device, completes output power
The protection and isolation in loop, with no-voltage trip, overcurrent release, the defencive function that overvoltage is threaded off, low frequency is threaded off；
Described double-throw switch cabinet, for just changing, when doing Hi-pot test, low-pressure end disconnects；When doing low voltage experiment, high-pressure side
Disconnect；
Described dry type load device also includes the low-temperature measurement PT/CT cabinets being connected with the double-throw switch cabinet, the low tension
After cable access low-temperature measurement PT/CT cabinets, it is connected through double-throw switch cabinet with load component, is adopted for completing low voltage current signal
Sample；
By setting said structure, the test equipment not only can to bank electricity variable-frequency power sources carry out voltage, electric current, frequency, harmonic wave,
The electrical parameters such as active power, reactive power, power factor are tested, while can also be to bank electricity variable-frequency power sources directly by not year-on-year
Example carries out shock load and dashed forward to unload the performance tests such as load.
Embodiment 2, the dry type load device of the detection bank electricity variable-frequency power sources performance described in embodiment 1, the load component
It is located at high pressure transformation component in same casing 1, load component is symmetrically arranged on the left and right sides of casing 1；
It is provided with the casing 1 in control room 4 and cable vault, the casing 1 of the both sides of control room 4 and is provided with access path 3, case
The front of body 1 is provided with air inlet 6, set between the roof of casing 1 and the side wall of casing 1 provided with control room door and maintenance door, the side wall of casing 1
There is the air outlet 2 laterally set；
Described load component is provided with blower fan cooling body, and described blower fan cooling body includes several axial flow blowers, axle stream
Blower fan is provided with air volume test sensor and motor overload protector, and temperature sensor, institute are provided with described load blocks
State air volume test sensor, temperature sensor by signal wire with PLC to connect, motor overload protector passes through control line
Connect with PLC.
Embodiment 3, the dry type load device of the detection bank electricity variable-frequency power sources performance described in embodiment 1, the dry type load
Device also includes host computer and data acquisition module, and host computer includes workbench, industrial computer and liquid crystal display, PLC
Connected by control line with industrial computer, liquid crystal display is connected by signal wire with industrial computer, industrial computer passes through network communication mould
Block is connected with data acquisition module.
Embodiment 4, the dry type load device of the detection bank electricity variable-frequency power sources performance described in embodiment 1, described load group
Part is provided with the electric control module for being used for protecting load blocks, and described electric control module includes breaker, fuse and connect
Tentaculum, each group of load blocks correspond to one group of contactor-breaker/fuse, and main loop circuit directly controls load blocks
Operation, protected using the control of contactor-breaker/fuse.
Dry type load device of the present invention include in transportable casing 1, casing 1 provided with load component and
High pressure transformation component, load component is formed in parallel by some load blocks；
The casing 1 uses container, and casing top is provided with air outlet 2；Suspension ring are arranged at the top of casing 1, and fork truck jack 5 is arranged at bottom,
It is easy to lift and transports；Load component inside casing 1 is supported with high pressure transformation component with fixed support, and casing 1 has enough
Mechanical strength, meets Standard.
Load component is by resistive module, reactance module, electric control module, blower fan cooling body, data acquisition module etc.
Composition, the left and right sides for being placed on casing 1 of resistive module, blower fan cooling body symmetrically, left and right opening door, which is easy to safeguard, to be tieed up
Repair, power cable wiring is picked out from the container back side, the right casing of power cable wiring exit is provided with cat ladder, casing 1
Two sides air intake, plan vertical air-out；
Casing front end adds arrester, and control room 4 is separated with cable vault, and there is access path the both sides of control room 4, is easy to load
The safety of staff has been effectively ensured with safeguarding in maintenance；Control and wiring are all carried out indoors, not by adverse weather conditions；
Casing AD, incoming line 7, air inlet 6, air outlet 2 have waterproof sealing processing, and waterproof uses formula sealing means in cabin peculiar to vessel；
After each door is closed, casing is completely closed, and inner member can obtain maximum protection；
The factors such as heat dissipation ventilation, hoisting transportation, internal component layout are taken into account in case construction design, internal stent passes through hot dipping
Zinc processing, internal coating paint uses high temperature lacquer；Installation between fixed support and casing, which is fixed, uses designed bolt connection,
Component reasonable Arrangement, each module distribution is uniform, makes box weight distribution and radiating more reasonable；
Casing uses side air inlet, and the Duct design of top air-out is prevented effectively from contrary wind phenomenon, and roof and side door can be opened simultaneously
Fixed, it is easy to operate, air inlet can be conveniently opened during work, net formula or venetian blind type dustproof design can be done；
The equal external-open of all doors of casing, opening angle is more than 90o, and sets device for positioning and securing, and Men Jun has seal approach, and is equipped with
Handle, lockset（Being capable of rain-proof, dust-proof, antirust）, door limiting is de- to carry protection：There is system door to open defencive function, work as equipment box
When body maintenance channel door is opened, equipment can not be loaded, or instantaneous unloading.
Described resistive module：
Described resistive module is formed by connecting by some resistors, and connected mode is determined according to test case.Load resistance requirement
Meet GB/T5729-94《Electronic equipment fixed resister》Regulation, to ensure the stability of load resistance.
Resistor is as power consumption element, and power density is high, three-phase balance, by interior insulation and insulation board twice every
From, can guarantee that insulating properties and security, can prevent adjacent resistor because internal resistance decline caused by short circuit accident.
The reactance module：
The reactance module is combined by some three-phase Wound-rotor type iron core reactors, and the reactor is the iron core with closure for magnetic
Road, wherein the air gap unshakable in one's determination for carrying certain length, overcoat winding unshakable in one's determination；It is characterized in using air epoxy resin compound inslation
Form, because of small volume, compact conformation is easy to mobile and transported；During normal operation, noise is smaller, to surrounding environment electromagnetic interference
Small, insulation grade anti-corrosion is high, fire-retardant, explosion-proof, non-maintaining, long lifespan the advantages of.
Described electric control module：
Described electric control module is made up of breaker, fuse, contactor and operation part；Main loop circuit is directly controlled
The operation of load blocks processed, each group of load blocks all correspond to one group of contactor-breaker/fuse.System passes through contact
The break-make of device realizes the change of loading power.
Described blower fan cooling body is made up of multiple large-scale axial flow type blower fans and automatic safety device.Blower fan is furnished with air quantity
Detection sensor and motor overload protector.Load blocks are also equipped with multiple temperature sensors, TEMP with air outlet position
Device connects with PLC, it is ensured that load will not be because temperature is too high and damages.
Described host computer is made up of industrial computer and test software etc., and industrial computer is industrial computer.Industrial computer is
The core of host computer unit, situations such as major function is the voltage, power and power factor according to test power supply, control PLC
The adjustment of load that controller is completed in the regulation distribution of perception, resistive load, test process is also controlled to complete by industrial computer；Industry control
The function of machine also includes to the control of acquisition module, the analyzing and processing of data and report output.
Described data acquisition module is by groups such as the webserver, DSP high speed numerical processors, electric quantity signal collectors
Into；Computer is connected by network communication module with data acquisition module, complete voltage, electric current, the Dynamic Signal of frequency and
The collection of the steady-state signals such as voltage, electric current, frequency, power, power factor and PLC loads control and failure monitoring；
Industrial computer：The major parameters such as voltage, electric current, power factor, frequency, time can in real time be shown, and to history
Shown with transient state.
The webserver：Serial communication is converted into network communication, realizes that Multi-serial port is parallel, communication speed is improved and reliable
Property；
Data acquisition module：It is made up of voltage/current signals process plate, high-speed dsp collection plate etc., realizes high-precision stable state, moves
State data acquisition；
PLC：Realize load control, temperature protection, blast protection, security monitoring etc.；
Dry type load equipment of the present invention has test function as described below：Exchange steady state test, exchange transient test,
Frequency analysis, analysis, adjust test, continuous service test, invariable power is compensated, monitored automatically, multiple solutions are shown, data pipe
Manage function etc..
Claims (10)
1. a kind of dry type load device for detecting bank electricity variable-frequency power sources performance, it is characterised in that：Including by some groups of load blocks
The load component being formed in parallel, every group of load blocks include the resistive module and reactance module connected by parallel way, often
Control resistive module, the load switch of reactance module access respectively are equipped with the parallel line of group load blocks.
2. the dry type load device of detection bank electricity variable-frequency power sources performance according to claim 1, it is characterised in that：It is described dry
Formula load device also includes PLC, and described load switch is connected by control line with PLC.
3. the dry type load device of detection bank electricity variable-frequency power sources performance according to claim 2, it is characterised in that：Described
Dry type load device also includes high pressure transformation component, described high pressure transformation component include high-tension switch cabinet, high-tension transformer with
And double-throw switch cabinet, high-tension switch cabinet is made up of high pressure measurement PT/CT cabinets and tranformer protection cabinet, high-tension cable access high-pressure gauge
Pick out, be connected into tranformer protection cabinet, then successively with load component through high-tension transformer, double-throw switch cabinet after amount PT/CT cabinets.
4. the dry type load device of detection bank electricity variable-frequency power sources performance according to claim 3, it is characterised in that：Described
High pressure measurement PT/CT cabinets control breaker and high-pressure side computer integrated protection devices to constitute by high-voltage load, and high-voltage load control is disconnected
Road device is connected by control line with PLC.
5. the dry type load device of the detection bank electricity variable-frequency power sources performance according to claim 3 or 4, it is characterised in that：Institute
The dry type load device stated also includes the low-temperature measurement PT/CT cabinets being connected with the double-throw switch cabinet, the low-voltage cable access
After low-temperature measurement PT/CT cabinets, it is connected through double-throw switch cabinet with load component.
6. the dry type load device of detection bank electricity variable-frequency power sources performance according to claim 3, it is characterised in that：It is described negative
Carry component and high pressure transformation component is located in same casing, load component is symmetrically arranged on the left and right sides of casing.
7. the dry type load device of detection bank electricity variable-frequency power sources performance according to claim 6, it is characterised in that：Described
It is provided with casing in control room and cable vault, the casing of control room both sides and is provided with access path, wall box is provided with control
Room door processed and maintenance door, wall box is provided with air inlet, provided with the air-out laterally set between box top wall and wall box
Mouthful.
8. the dry type load device of detection bank electricity variable-frequency power sources performance according to claim 2, it is characterised in that：Described
Load component is provided with blower fan cooling body, and described blower fan cooling body includes several axial flow blowers, and axial flow blower is provided with
Air volume test sensor and motor overload protector, are provided with temperature sensor, the air volume test in described load blocks
Sensor, temperature sensor are connected by signal wire with PLC, and motor overload protector is controlled by control line and PLC
Device connects.
9. the dry type load device of detection bank electricity variable-frequency power sources performance according to claim 2, it is characterised in that：It is described
Dry type load device also includes host computer and data acquisition module, and host computer includes workbench, industrial computer and liquid crystal display,
PLC is connected by control line with industrial computer, and liquid crystal display is connected by signal wire with industrial computer, and industrial computer passes through net
Network communication module is connected with data acquisition module.
10. the dry type load device of detection bank electricity variable-frequency power sources performance according to claim 1, it is characterised in that：It is described
Load component be provided with and be used to protecting the electric control modules of load blocks, described electric control module includes breaker, molten
Disconnected device and contactor, each group of load blocks correspond to one group of contactor-breaker/fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367934.2A CN107015169A (en) | 2017-05-23 | 2017-05-23 | Detect the dry type load device of bank electricity variable-frequency power sources performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367934.2A CN107015169A (en) | 2017-05-23 | 2017-05-23 | Detect the dry type load device of bank electricity variable-frequency power sources performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107015169A true CN107015169A (en) | 2017-08-04 |
Family
ID=59450703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710367934.2A Pending CN107015169A (en) | 2017-05-23 | 2017-05-23 | Detect the dry type load device of bank electricity variable-frequency power sources performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107015169A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109103783A (en) * | 2018-10-09 | 2018-12-28 | 江苏健龙电器有限公司 | A kind of explosion-proof shore connection box |
| CN114839561A (en) * | 2022-04-24 | 2022-08-02 | 江苏新航电气有限公司 | Method for improving precision of dry-type load test equipment for detecting high-voltage shore power supply |
| CN116633002A (en) * | 2023-07-20 | 2023-08-22 | 深圳市嘉力电气技术有限公司 | UV variable frequency power supply parallel operation control system based on artificial intelligence |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101324A (en) * | 2006-07-04 | 2008-01-09 | 上海创想电源设备有限公司 | Power supply apparatus test device containing coding load |
| WO2010142129A1 (en) * | 2009-06-09 | 2010-12-16 | 深圳和而泰智能控制股份有限公司 | Method for protecting resistive ac load from being shorted, device and switch |
| CN101968531A (en) * | 2010-09-29 | 2011-02-09 | 广州中船黄埔造船有限公司 | Load cabinet system |
| CN202748391U (en) * | 2012-07-02 | 2013-02-20 | 华锐风电科技(集团)股份有限公司 | Load box and blower fan debugging system |
| CN204116477U (en) * | 2014-08-12 | 2015-01-21 | 北京英博电气股份有限公司 | A kind of high-voltage reactive load test platform |
| CN204330826U (en) * | 2014-12-26 | 2015-05-13 | 上海科泰电源股份有限公司 | A kind of portable high-low pressure diesel generator set load test shelter |
| CN105116324A (en) * | 2015-09-01 | 2015-12-02 | 内蒙古工业大学 | Intelligent resistance-inductance integrated load cabinet system |
| CN204855747U (en) * | 2015-09-01 | 2015-12-09 | 内蒙古工业大学 | Intelligence hinders feels integrative load cabinet system |
| CN105490264A (en) * | 2015-12-21 | 2016-04-13 | 辽宁绿港科技有限公司 | Shipping high-voltage shore power system |
| CN206725735U (en) * | 2017-05-23 | 2017-12-08 | 江苏新航电气有限公司 | A kind of dry type load device for detecting bank electricity variable-frequency power sources performance |
-
2017
- 2017-05-23 CN CN201710367934.2A patent/CN107015169A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101324A (en) * | 2006-07-04 | 2008-01-09 | 上海创想电源设备有限公司 | Power supply apparatus test device containing coding load |
| WO2010142129A1 (en) * | 2009-06-09 | 2010-12-16 | 深圳和而泰智能控制股份有限公司 | Method for protecting resistive ac load from being shorted, device and switch |
| CN101968531A (en) * | 2010-09-29 | 2011-02-09 | 广州中船黄埔造船有限公司 | Load cabinet system |
| CN202748391U (en) * | 2012-07-02 | 2013-02-20 | 华锐风电科技(集团)股份有限公司 | Load box and blower fan debugging system |
| CN204116477U (en) * | 2014-08-12 | 2015-01-21 | 北京英博电气股份有限公司 | A kind of high-voltage reactive load test platform |
| CN204330826U (en) * | 2014-12-26 | 2015-05-13 | 上海科泰电源股份有限公司 | A kind of portable high-low pressure diesel generator set load test shelter |
| CN105116324A (en) * | 2015-09-01 | 2015-12-02 | 内蒙古工业大学 | Intelligent resistance-inductance integrated load cabinet system |
| CN204855747U (en) * | 2015-09-01 | 2015-12-09 | 内蒙古工业大学 | Intelligence hinders feels integrative load cabinet system |
| CN105490264A (en) * | 2015-12-21 | 2016-04-13 | 辽宁绿港科技有限公司 | Shipping high-voltage shore power system |
| CN206725735U (en) * | 2017-05-23 | 2017-12-08 | 江苏新航电气有限公司 | A kind of dry type load device for detecting bank electricity variable-frequency power sources performance |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109103783A (en) * | 2018-10-09 | 2018-12-28 | 江苏健龙电器有限公司 | A kind of explosion-proof shore connection box |
| CN109103783B (en) * | 2018-10-09 | 2023-10-27 | 江苏健龙电器有限公司 | Explosion-proof shore power box |
| CN114839561A (en) * | 2022-04-24 | 2022-08-02 | 江苏新航电气有限公司 | Method for improving precision of dry-type load test equipment for detecting high-voltage shore power supply |
| CN114839561B (en) * | 2022-04-24 | 2023-09-29 | 江苏新航电气有限公司 | Method for improving precision of dry load test equipment for detecting high-voltage shore power supply |
| CN116633002A (en) * | 2023-07-20 | 2023-08-22 | 深圳市嘉力电气技术有限公司 | UV variable frequency power supply parallel operation control system based on artificial intelligence |
| CN116633002B (en) * | 2023-07-20 | 2024-01-23 | 深圳市嘉力电气技术有限公司 | UV variable frequency power supply parallel operation control system based on artificial intelligence |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104362736B (en) | A kind of Intelligent component cabinet and its monitoring method for intelligent transformer | |
| CN107015169A (en) | Detect the dry type load device of bank electricity variable-frequency power sources performance | |
| KR20210078535A (en) | Field test method and system for no-load and load loss of vehicle-mounted power transformer | |
| CN108594149A (en) | A kind of portable fault detector test device | |
| CN109188071A (en) | Vehicular power transformer sky, load loss on-site test system and method | |
| Kumar et al. | Application of computer and modern automation system for protection and optimum use of High voltage power transformer | |
| CN206725735U (en) | A kind of dry type load device for detecting bank electricity variable-frequency power sources performance | |
| CN109787331B (en) | Combined installation process of charger | |
| CN106959406A (en) | For carrying out the magnetized experimental rig of generator core and its method at lower voltages | |
| CN103941192B (en) | Energy storage power station test load | |
| KR20000012177A (en) | package type power supply apparatus | |
| KR101685024B1 (en) | Load measuring apparatus | |
| CN104184410B (en) | High aititude photovoltaic plant grid disturbance simulated testing system mobile detection apparatus | |
| CN111696771A (en) | Skid-mounted transformer device and using method thereof | |
| CN204089728U (en) | High aititude photovoltaic plant grid disturbance simulated testing system mobile detection apparatus | |
| CN206594260U (en) | Generator core magnetic examination device under a kind of low-voltage | |
| CN205960961U (en) | Shore power source | |
| KR102082819B1 (en) | management system of pole transformer | |
| CN208385194U (en) | A kind of highly-safe voltage transformer | |
| CN210041091U (en) | Compact photovoltaic power generation system switch station | |
| CN209148769U (en) | Vehicular power transformer sky, load loss on-site test system | |
| CN106950497A (en) | A kind of used in new energy vehicles motor test strong power management and test device | |
| CN202854184U (en) | Darkroom and shielded room layout structure of electric system test equipment | |
| CN208752149U (en) | A kind of transformer test integration termination | |
| KR20150059286A (en) | Load bank apparatus of container type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |