CN208112223U - Power of alterating and direct current multi-function test stand distribution system - Google Patents
Power of alterating and direct current multi-function test stand distribution system Download PDFInfo
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- CN208112223U CN208112223U CN201721628608.4U CN201721628608U CN208112223U CN 208112223 U CN208112223 U CN 208112223U CN 201721628608 U CN201721628608 U CN 201721628608U CN 208112223 U CN208112223 U CN 208112223U
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Abstract
The utility model discloses a kind of power of alterating and direct current multi-function test stand distribution systems, including power distribution cabinet and distribution box, general supply controller is equipped in the power distribution cabinet, for the distribution box output three-phase alternating current to general supply controller, alternating current is distributed to corresponding electrical equipment by general supply controller.The utility model introduces the overcurrent relay of three 0~9.99A in the three-phase alternating current of power supply, by matching 50 outside:1 D.C mutual-inductor come realize when any one phase current in system line be more than setting electric current when, just disconnect system input power protection circuit function.After 380V power supply introducing system, power supply a part of general supply controller supplies frequency conversion tank three-phase 380V alternating current by voltage output controller, another part then with frequency conversion tank isolated from power, station, programmable power supply and the single-phase 220V alternating current of load box, the electric energy for completing distribution system is supplied by one-way safety isolating transformer and voltage output controller to share out the work.
Description
Technical field
The utility model relates to a kind of power of alterating and direct current multi-function test stand distribution systems.
Background technique
Power distribution cabinet sub-power power distribution cabinet, light distribution cabinet and metering cabinet are the final stage devices of distribution system.Power distribution cabinet is electricity
The general designation of motivation control centre is often used in the occasion that load is more dispersed, circuit is less, and effect is upper level controller switching equipment
The electric energy of a certain circuit distributes to nearest load, is protected, monitored and is controlled to load.Power distribution cabinet application non-combustible materials
Production, each electrical component, instrument, switch and route are answered marshalling, are firmly installed, easy to operate.There must not be bare tape other than cabinet
The electric external electrical component that reveals and must be installed on cabinet outer surface or power distribution cabinet, it is necessary to have reliable screen shield.Its product is adopted
Of large-screen lc touch screen, the power qualities such as voltage, electric current, frequency, available power, useless power, electric energy, harmonic wave are made entirely
The monitoring in orientation keeps user very clear to distribution system operation conditions, in order to find security risk early, evades wind early
Danger.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of power of alterating and direct current multi-function test stand is provided and is matched
Electric system.
The purpose of this utility model is achieved through the following technical solutions：Power of alterating and direct current multi-function test stand power distribution system
System, including power distribution cabinet and distribution box, the power distribution cabinet is interior to be equipped with general supply controller, and the distribution box output three-phase alternating current is extremely
Alternating current is distributed to corresponding electrical equipment by general supply controller, general supply controller.
Several voltage output controllers are additionally provided in the power distribution cabinet, the alternating current of general supply controller distribution is through voltage
O controller is input to corresponding electrical equipment.
The electrical equipment includes frequency conversion tank, station, programmable power supply and load box.
Three-phase alternating current is distributed to frequency conversion tank, general supply control through voltage output controller by the general supply controller
Single-phase electricity is distributed to station, programmable power supply and load box through voltage output controller respectively by device.
Further include several one-way safety isolating transformers, the single-phase electricity of general supply controller distribution respectively through one-way safety every
Station, programmable power supply and load box are distributed to from transformer, voltage output controller.
The friendship that connection is matched there are three overcurrent relay and respectively with three overcurrent relays is set in the distribution box
Current transformer, each phase of three-phase alternating current concatenates an overcurrent relay respectively, by the three-phase alternating current of overcurrent relay
It is input in power distribution cabinet.
Air switch is additionally provided in the distribution box, external three-phase alternating current is through in air switch input distribution box.
Phase sequence relay is additionally provided in the power distribution cabinet, the three-phase alternating current that distribution box is input to power distribution cabinet is first input into
Phase sequence relay, then general supply controller is input to by phase sequence relay.
The power supply of entire testing stand is 380V/50Hz three-phase four-wire system, and external power supply separates frequency conversion after entering power distribution cabinet
Cabinet, station, programmable power supply, load box and dragging platform.
Monitoring and power distribution unit of the power distribution cabinet as input power, by 380V input display, sequence examing and instruction,
Inverter supply instruction, air blower power supply instruction, load box case cooling fan power supply instruction, dragging platform cooling fan power supply refer to
Show, programmable power supply cabinet power supply instruction, operate the compositions such as control cabinet power supply instruction.
The utility model has the beneficial effects that：
1）Phase sequence relay is installed inside power distribution cabinet, is used as sequence examing, is only just connect when input power phase sequence is correct
Logical main contactor, avoiding some special electromechanical equipments because of reversing after power phase is reversed leads to accident or equipment damage.
2）Three overcurrent relays are introduced in the three-phase alternating current of power supply, and system is worked as to realize by D.C mutual-inductor
When any one phase current in route is more than setting electric current, function that just disconnection system input power is protected.
3）System increases air switch, as long as electric current is more than that rated current will disconnect progress overcurrent guarantor automatically in circuit
Shield, in addition to it can complete contact and disjunction circuit, moreover it is possible to short circuit, heavy overload and the under-voltage etc. that circuit or electrical equipment are occurred
It is protected.
Detailed description of the invention
Fig. 1 is the utility model principle block diagram.
Specific embodiment
Below in conjunction with embodiment, the technical solution of the utility model is clearly and completely described, it is clear that retouched
The embodiment stated is only the utility model a part of the embodiment, instead of all the embodiments.Based in the utility model
Embodiment, those skilled in the art's every other embodiment obtained under the premise of not making the creative labor, all belongs to
In the range of the utility model protection.
Refering to fig. 1, the utility model provides a kind of technical solution：Power of alterating and direct current multi-function test stand distribution system, including
Power distribution cabinet and distribution box, the power distribution cabinet is interior to be equipped with general supply controller, and the distribution box exports three-phase alternating current to general supply
Alternating current is distributed to corresponding electrical equipment by controller, general supply controller.Computer and central controller in general supply controller
Power supply requirement property according to electrical equipment carries out reasonability control to power supply.
Several voltage output controllers are additionally provided in the power distribution cabinet, the alternating current of general supply controller distribution is through voltage
O controller is input to corresponding electrical equipment, and the electrical equipment includes frequency conversion tank, station, programmable power supply and load
Case.
The frequency conversion tank realizes the control action for dragging platform on aircraft at a high speed using internal frequency converter, realizes high speed variable-frequency electric
The speed regulating control of machine.
The station is the core component of whole system, is responsible for the integrated management of all test resources, and station uses
The design of PXI bussing technique works come the function of completing whole system and performance test.
The programmable power supply be divided into program-control DC power with exchange programmable power supply two parts, it acts as carry out power supply system
When system performance test, electric current is exported to meet the different power supply requirement of tested department enclosure.
The load box is mainly made of AC load case and DC load case, for simulating aircraft electrical equipment, will be flown
The utilization of power load box that machine generator issues is consumed, to verify the working characteristics of generator.According to testing requirement, load
Case interior design has resistance/capacitance/inductive load case, cooling fan, temperature detection and protection circuit, load box output control electricity
Road, Switching Power Supply etc..
Three-phase alternating current is distributed to frequency conversion tank, general supply control through voltage output controller by the general supply controller
Single-phase electricity is distributed to station, programmable power supply and load box through voltage output controller respectively by device.
The power of alterating and direct current multi-function test stand distribution system further includes several one-way safety isolating transformers, general supply
The single-phase electricity of controller distribution distributes to station, program-controlled electric through one-way safety isolating transformer, voltage output controller respectively
Source and load box.The one-way safety isolating transformer is made defeated by the insulation at least corresponding to double insulation or reinforcing insulating
Enter winding electrically separating with output winding, single-phase electricity is transported to by voltage output controller, voltage output with extra low voltage
Voltage is then delivered to station, programmable power supply and load box according to the nominal parameter of electrical equipment by controller.
The friendship that connection is matched there are three overcurrent relay and respectively with three overcurrent relays is set in the distribution box
Current transformer, each phase of three-phase alternating current concatenates an overcurrent relay respectively, by the three-phase alternating current of overcurrent relay
It is input in power distribution cabinet.
After external three-phase 380V/50Hz power input, overcurrent protective device is designed in inlet wire distribution box, i.e., in power supply
The overcurrent relay that three 0~9.99A are introduced in three-phase alternating current, by matching 50 outside:1 D.C mutual-inductor is realized when being
When any one phase current in route of uniting is more than setting electric current, the just function protected of disconnection system input power.
Air switch is additionally provided in the distribution box, external three-phase alternating current inputs in distribution box through air switch, described
Air switch in be equipped with leakage protection circuit and carry out current foldback circuit, leakage protection circuit controlled by zero curve through general supply
Device is connected with voltage output controller.
Phase sequence relay is additionally provided in the power distribution cabinet, the three-phase alternating current that distribution box is input to power distribution cabinet is first input into
Phase sequence relay, then general supply controller is input to by phase sequence relay.The phase sequence relay be used as sequence examing, only when
Main contactor, and the protective relay of the automatic phase sequence cognition of energy are just connected when input power phase sequence is correct, avoid some special machines
Electric equipment leads to accident or equipment damage because of reversing after power phase is reversed.The control signal output of general supply controller
Also realize that signal is connect with system controller, display unit and protection circuit, system controller, display unit and protection circuit are
General supply controller provides the logistics support guarantee on basis, plays the role of management, display and protection, protects general supply controller
Hold normal operating conditions.
The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein
Disclosed form, should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and
Can be in contemplated scope described herein, modifications can be made through the above teachings or related fields of technology or knowledge.And this field
The modifications and changes that personnel are carried out do not depart from the spirit and scope of the utility model, then all should be in right appended by the utility model
It is required that protection scope in.
Claims (2)
1. power of alterating and direct current multi-function test stand distribution system, it is characterised in that：Including power distribution cabinet and distribution box, in the power distribution cabinet
Equipped with general supply controller, the distribution box exports three-phase alternating current to general supply controller, and general supply controller is by alternating current
Corresponding electrical equipment is distributed to, the electrical equipment includes frequency conversion tank, station, programmable power supply and load box；
It is set in the distribution box there are three overcurrent relay and mutual with exchanging for three overcurrent relays matching connection respectively
Sensor, each phase of three-phase alternating current concatenate an overcurrent relay respectively, input by the three-phase alternating current of overcurrent relay
Into power distribution cabinet；
Air switch is additionally provided in the distribution box, external three-phase alternating current is through in air switch input distribution box；
Phase sequence relay is additionally provided in the power distribution cabinet, the three-phase alternating current that distribution box is input to power distribution cabinet is first input into phase sequence
Protector, then general supply controller is input to by phase sequence relay；
Several voltage output controllers are additionally provided in the power distribution cabinet, the alternating current of general supply controller distribution is through voltage output
Controller is input to corresponding electrical equipment；
Three-phase alternating current is distributed to frequency conversion tank through voltage output controller by the general supply controller, and general supply controller will
Single-phase electricity distributes to station, programmable power supply and load box through voltage output controller respectively.
2. power of alterating and direct current multi-function test stand distribution system according to claim 1, it is characterised in that：It further include several lists
To safety isolating transformer, the single-phase electricity of general supply controller distribution is respectively through one-way safety isolating transformer, voltage output control
Device processed distributes to station, programmable power supply and load box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721628608.4U CN208112223U (en) | 2017-11-29 | 2017-11-29 | Power of alterating and direct current multi-function test stand distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721628608.4U CN208112223U (en) | 2017-11-29 | 2017-11-29 | Power of alterating and direct current multi-function test stand distribution system |
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| Publication Number | Publication Date |
|---|---|
| CN208112223U true CN208112223U (en) | 2018-11-16 |
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ID=64130574
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721628608.4U Active CN208112223U (en) | 2017-11-29 | 2017-11-29 | Power of alterating and direct current multi-function test stand distribution system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018342A (en) * | 2019-05-17 | 2019-07-16 | 南方电网科学研究院有限责任公司 | A kind of program-controlled power signal test device based on transformer |
-
2017
- 2017-11-29 CN CN201721628608.4U patent/CN208112223U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018342A (en) * | 2019-05-17 | 2019-07-16 | 南方电网科学研究院有限责任公司 | A kind of program-controlled power signal test device based on transformer |
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