CN105305593A - Dual-power controller capable of determining phase sequence and phase angle - Google Patents
Dual-power controller capable of determining phase sequence and phase angle Download PDFInfo
- Publication number
- CN105305593A CN105305593A CN201510688035.3A CN201510688035A CN105305593A CN 105305593 A CN105305593 A CN 105305593A CN 201510688035 A CN201510688035 A CN 201510688035A CN 105305593 A CN105305593 A CN 105305593A
- Authority
- CN
- China
- Prior art keywords
- circuit
- phase
- phase angle
- power supply
- cpu
- 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.)
- Withdrawn
Links
Landscapes
- Control Of Electrical Variables (AREA)
Abstract
The invention discloses a dual-power controller capable of determining the phase sequence and the phase angle. The dual-power controller comprises a main power supply, a standby power supply, a transformer, a control system and an electromagnetic switch, wherein the control system is composed of an open phase detection circuit, a voltage detection circuit, a switch position detection circuit, a phase sequence and phase angle determining circuit, a communication circuit, a display circuit, a button circuit and a CPU. Compared with the prior art, the CPU carries out open phase detection and determines the phase sequence and phase angle of power supplies by detecting the voltage and current of the power supplies. The output end of the CPU is connected with the input end of the electromagnetic switch to control the work states of the main power supply and the standby power supply. The switch position detection circuit detects the work states of the power supplies. The controller can determines the phase sequence of voltage and detect the phase angle. Output of the CPU is connected with an RS485 communication module to implement remote control. The dual-power controller is worthy of popularization.
Description
Technical field
The present invention relates to a kind of power-supply controller of electric, particularly relate to a kind of Double-power controller with phase-sequence phase angle arbitration functions.
Background technology
The application of Double-power controller in market is more and more extensive, and by detecting the faults such as power supply overvoltage/undervoltage, phase shortage, controller automatically switches to another road power work.But when the phase sequence of power supply changes or phase angle is undergone mutation, conventional Double-power controller is just difficult to flog system and carries out electrical source exchange.So not only harm is brought to the operation of load, and system power factor can be caused to reduce, bring extra loss.
Summary of the invention
Object of the present invention is just to provide a kind of Double-power controller with phase-sequence phase angle arbitration functions to solve the problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The present invention includes main power source, stand-by power supply, transformer, control system and electromagnetic switch, be connected in parallel between described main power source and described stand-by power supply, described main power source is connected with the input of described transformer with the output of described stand-by power supply, the output of described transformer is connected with the input of described control system, the output of described control system is connected with the input of described electromagnetic switch, the output of described electromagnetic switch is connected with the input of described main power source and described stand-by power supply, described control system is by lack detection circuit, voltage detecting circuit, position of the switch testing circuit, phase-sequence phase angle decision circuitry, communicating circuit, display circuit, key circuit and CPU composition, described CPU respectively with described lack detection circuit, described voltage detecting circuit, described position of the switch testing circuit, described phase-sequence phase angle decision circuitry, described communicating circuit, described display circuit is connected with described key circuit.
Particularly, described communicating circuit is the RS485 communication module that can carry out remote control; Described CPU is PIC microprocessor.
Beneficial effect of the present invention is:
The present invention is a kind of Double-power controller with phase-sequence phase angle arbitration functions, and compared with prior art, the present invention is integrated with three kinds of linear voltage regulators, produces three-way power signal.One tunnel is that communicating circuit is powered, and a road is that Acquisition Circuit is powered, and a road is that relay and processor are powered, and ensures the reasonable distribution of power supply.By detecting the voltage and current of power supply, CPU carries out pile defection and power phase phase angle judges.The input of the output termination electromagnetic switch of CPU, controls the operating state of main power source and stand-by power supply.Position of the switch testing circuit detects the operating state of power supply.This controller has voltage phase sequence judgement and phase angle measuring ability.CPU exports and connects RS485 communication module, can carry out remote control, have the value applied.
Accompanying drawing explanation
Fig. 1 is circuit structure theory diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1: the present invention includes main power source, stand-by power supply, transformer, control system and electromagnetic switch, be connected in parallel between described main power source and described stand-by power supply, described main power source is connected with the input of described transformer with the output of described stand-by power supply, the output of described transformer is connected with the input of described control system, the output of described control system is connected with the input of described electromagnetic switch, the output of described electromagnetic switch is connected with the input of described main power source and described stand-by power supply, described control system is by lack detection circuit, voltage detecting circuit, position of the switch testing circuit, phase-sequence phase angle decision circuitry, communicating circuit, display circuit, key circuit and CPU composition, described CPU respectively with described lack detection circuit, described voltage detecting circuit, described position of the switch testing circuit, described phase-sequence phase angle decision circuitry, described communicating circuit, described display circuit is connected with described key circuit.
Particularly, described communicating circuit is the RS485 communication module that can carry out remote control; Described CPU is PIC microprocessor.
The present invention adopts accurate voltage and current detection circuit, and when there is the faults such as phase shortage, overvoltage, under-voltage or phase sequence sudden change when working power, sampled signal is passed to CPU by testing circuit, and CPU exports and makes electromagnetic switch action, is switched to another road power supply and powers.The phase sequence of power supply judges according to the order of the voltage over zero of ABC three-phase, voltage phase sequence correct according to being after A phase voltage zero passage, then B phase voltage zero passage is C phase voltage zero passage.Otherwise voltage incorrect order.Phase angle is realized by the angle of detection line voltage AB/BC/AC.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (3)
1. there is a Double-power controller for phase-sequence phase angle arbitration functions, it is characterized in that: comprise main power source, stand-by power supply, transformer, control system and electromagnetic switch, be connected in parallel between described main power source and described stand-by power supply, described main power source is connected with the input of described transformer with the output of described stand-by power supply, the output of described transformer is connected with the input of described control system, the output of described control system is connected with the input of described electromagnetic switch, the output of described electromagnetic switch is connected with the input of described main power source and described stand-by power supply, and described control system is by lack detection circuit, voltage detecting circuit, position of the switch testing circuit, phase-sequence phase angle decision circuitry, communicating circuit, display circuit, key circuit and CPU composition, described CPU respectively with described lack detection circuit, described voltage detecting circuit, described position of the switch testing circuit, described phase-sequence phase angle decision circuitry, described communicating circuit, described display circuit is connected with described key circuit.
2. the Double-power controller with phase-sequence phase angle arbitration functions according to claim 1, is characterized in that: described communicating circuit is the RS485 communication module that can carry out remote control.
3. the Double-power controller with phase-sequence phase angle arbitration functions according to claim 1, is characterized in that: described CPU is PIC microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510688035.3A CN105305593A (en) | 2015-10-23 | 2015-10-23 | Dual-power controller capable of determining phase sequence and phase angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510688035.3A CN105305593A (en) | 2015-10-23 | 2015-10-23 | Dual-power controller capable of determining phase sequence and phase angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105305593A true CN105305593A (en) | 2016-02-03 |
Family
ID=55202506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510688035.3A Withdrawn CN105305593A (en) | 2015-10-23 | 2015-10-23 | Dual-power controller capable of determining phase sequence and phase angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105305593A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329724A (en) * | 2016-08-24 | 2017-01-11 | 国网山东省电力公司单县供电公司 | Control system for remote control of low-voltage circuit breaker |
-
2015
- 2015-10-23 CN CN201510688035.3A patent/CN105305593A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329724A (en) * | 2016-08-24 | 2017-01-11 | 国网山东省电力公司单县供电公司 | Control system for remote control of low-voltage circuit breaker |
| CN106329724B (en) * | 2016-08-24 | 2017-11-24 | 国网山东省电力公司单县供电公司 | One kind is used for remote control low-voltage circuit breaker control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206960614U (en) | Contactor test device | |
| CN201477187U (en) | Protection characteristic tester of DC circuit breaker | |
| CN218974478U (en) | Load detection circuit, power supply equipment and electronic device | |
| CN103163409B (en) | Anti-bearing calibration and device is connect for the wiring of on-the-spot electric instrument electric current | |
| CN204681157U (en) | A kind of intelligent double-power control system | |
| CN204361790U (en) | A kind of intelligent low-pressure distribution terminal | |
| CN110703146A (en) | Excitation surge current measuring instrument | |
| CN204361791U (en) | A kind of circuit structure of intelligent low-pressure distribution terminal | |
| CN203871840U (en) | Programmable, safe, energy-saving leakage protector | |
| CN105305593A (en) | Dual-power controller capable of determining phase sequence and phase angle | |
| US20230378908A1 (en) | Impedance detection method and photovoltaic system | |
| CN206339637U (en) | A kind of power detecting system | |
| CN202393858U (en) | Correcting unit for reverse connection of current wires of field electric meter | |
| CN201576011U (en) | Alternating current-direct current comprehensive load box | |
| CN103954869A (en) | Cable power frequency parameter testing device based on PXI system | |
| CN103472354A (en) | Switching-closing judging circuit of electric leakage reclosure breaker | |
| CN103683483A (en) | Controller applicable to ATSE (Automatic Transfer Switching Equipment) with multiple voltage level power supplies | |
| CN211123049U (en) | Transformer direct current magnetic biasing monitoring devices | |
| CN203502529U (en) | Switching on/of judging circuit of electric leakage reclosure breaker | |
| CN205353325U (en) | Quick detection device of three -phase symmetrical alternating current electrical parameter | |
| CN111308145A (en) | Uninterrupted meter changing auxiliary power supply box with error correction protection function | |
| US20210048462A1 (en) | Electricity meter with fault tolerant power supply | |
| CN206907721U (en) | A kind of breaker electric spring operating mechanism separating brake control loop | |
| CN112816805A (en) | Flexible direct current converter valve control system and over-current detection method and system | |
| CN203574445U (en) | Intelligent controller of spare power automatic switching dual power supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160203 |