CN107449976A - A kind of online power quality monitoring device with energy management functionality - Google Patents
A kind of online power quality monitoring device with energy management functionality Download PDFInfo
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- CN107449976A CN107449976A CN201610374488.3A CN201610374488A CN107449976A CN 107449976 A CN107449976 A CN 107449976A CN 201610374488 A CN201610374488 A CN 201610374488A CN 107449976 A CN107449976 A CN 107449976A
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- power
- energy management
- photovoltaic
- energy
- management functionality
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- 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
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- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of online power quality monitoring device with energy management functionality, including photovoltaic power detection means, load power detection means, battery charge state detection device, photovoltaic limits power setting device, failure detector, charge-discharge electric power adjusting apparatus, communication device, microprocessor, equipment for monitoring power quality, control command generating means, energy management functionality mode selector, energy management functionality mode setting device, touch display screen, discharge and recharge time-setting mechanism and time block, the communication device respectively with photovoltaic power detection means, load power detection means, battery charge state detection device, failure detector, charge-discharge electric power adjusting apparatus, equipment for monitoring power quality connects with control command generating means.The present invention can not only carry out electric energy quality monitoring, and can carry out energy management, simple in construction, reduce hardware cost so that easy to maintenance.
Description
Technical field
The present invention relates to Power Quality Monitoring Technology field, more particularly to one kind to have energy management
The online power quality monitoring device of function.
Background technology
With the progress in epoch, science and technology rapid development, extensive power electronic equipment and
The access of a large amount of distributed energies (such as wind-powered electricity generation and solar power generation) so that electric network composition and use
Power mode all has a very large change, while also will further deteriorate the quality of power supply；To improve
With the raising quality of power supply, it is necessary to understand in depth and recognize the quality of power supply, therefore must just pass through height
The power quality monitoring device of precision to the indices of the quality of power supply monitor in real time, counted
And analysis, it so can just be further ensured that safety, the economical operation of power network and electrical equipment.
The access of a large amount of distributed energies (such as wind-powered electricity generation and solar power generation) so that inverse in photovoltaic
Become device and energy storage transformation system is required for access monitoring terminal to be monitored in real time, be so increased by
Hardware cost, simultaneity factor are safeguarded also relatively difficult.
At present, there is the largely research on power quality monitoring device, but mostly both at home and abroad
Number is the Substation Design for traditional sense, not in view of a large amount of distributed energies
The access of (photovoltaic generating system), therefore the monitoring to the quality of power supply is only that it is referred to substantially
Mark (such as voltage, electric current, power, power factor, percent harmonic distortion) and carry out data monitoring
Collection, lacks the monitoring to the energy management functionality pattern of distributed energy, and excessively monitors and set
Cost, increase maintenance difficulties will be further increased in standby use.
The content of the invention
Based on technical problem existing for background technology, the present invention, which proposes one kind, has energy management
The online power quality monitoring device of function.
A kind of online power quality monitoring device with energy management functionality proposed by the present invention,
Including photovoltaic power detection means, load power detection means, battery charge state detection device,
Photovoltaic limit power setting device, failure detector, charge-discharge electric power adjusting apparatus, communication dress
Put, microprocessor, equipment for monitoring power quality, control command generating means, energy management work(
Can mode selector, energy management functionality mode setting device, touch display screen, discharge and recharge
Time-setting mechanism and time block, the microprocessor respectively with photovoltaic power detection means,
Load power detection means, battery charge state detection device, photovoltaic limit power setting device,
Failure detector, charge-discharge electric power adjusting apparatus, communication device, equipment for monitoring power quality,
Control command generating means, energy management functionality mode selector, energy management functionality pattern
Setting device, touch display screen, discharge and recharge time-setting mechanism connect with time block, described
Communication device respectively with photovoltaic power detection means, load power detection means, battery charge shape
State detection means, failure detector, charge-discharge electric power adjusting apparatus, electric energy quality monitoring dress
Put and connected with control command generating means, the photovoltaic power detection means is set with photovoltaic limit power
Determine device connection, the energy management functionality mode selector is set with energy management functionality pattern
Determine device connection, and discharge and recharge time-setting mechanism connects with time block.
Preferably, the communication device is connected with photovoltaic DC-to-AC converter and energy-storage system, and communicates dress
Put including ethernet communication module, RS485 communication modules and RS232 communication modules.
Preferably, the energy management functionality mode setting device is generated power for their own use pattern including photovoltaic
Setting module, UPS Working mode sets module, timing charge and discharge mode setting module and manually
Control charge and discharge mode setting module.
Preferably, the photovoltaic power detection means is used to enter the power output of photovoltaic DC-to-AC converter
Row detection, and load power detection means is used to examine the load power of photovoltaic DC-to-AC converter
Survey, the battery charge state detection device is used to carry out the battery charge state of energy-storage system
Detection, and photovoltaic limit power setting device is used to enter the output power limit value of photovoltaic DC-to-AC converter
Row setting.
Preferably, the failure detector is used to examine the operation troubles of public electric wire net
Survey, and charge-discharge electric power adjusting apparatus is used to be adjusted the charge-discharge electric power of energy-storage system,
The equipment for monitoring power quality is used to carry out electric energy quality monitoring, and control command generating means
For generating control command, photovoltaic DC-to-AC converter and energy-storage system are controlled, the energy pipe
Reason functional mode selection device is used to select energy management functionality pattern, and energy management functionality mould
Formula setting device is used to set energy management functionality pattern, the discharge and recharge time setting
The discharge and recharge time that device is used for energy-storage system sets.
, should be with the superior of the online power quality monitoring device of energy management functionality in the present invention
Property is not only possess traditional electric energy quality monitoring function, is provided simultaneously with energy management work(
Can, it can reduce the hardware cost of overall grid-connected power generation system compared to legacy equipment and be easy to day
Normal operation maintenance, it is connected by communication device with photovoltaic DC-to-AC converter and energy storage transformation system, can
Energy management is carried out, and reduces monitoring device, the present invention can not only carry out quality of power supply prison
Survey, and energy management can be carried out, it is simple in construction, reduce hardware cost so that maintenance side
Just.
Brief description of the drawings
Fig. 1 is a kind of online quality of power supply prison with energy management functionality proposed by the present invention
The system structure diagram of measurement equipment.
Embodiment
The present invention is made with reference to specific embodiment further to explain.
Embodiment
With reference to figure 1, the present embodiment proposes a kind of online electric energy matter with energy management functionality
Measure monitoring device, including photovoltaic power detection means, load power detection means, battery charge
Condition checkout gear, photovoltaic limit power setting device, failure detector, charge-discharge electric power are adjusted
Engagement positions, communication device, microprocessor, equipment for monitoring power quality, control command generation dress
Put, energy management functionality mode selector, energy management functionality mode setting device, touch
Display screen, discharge and recharge time-setting mechanism and time block, microprocessor respectively with photovoltaic power
Detection means, load power detection means, battery charge state detection device, photovoltaic limit power
Setting device, failure detector, charge-discharge electric power adjusting apparatus, communication device, electric energy matter
Measure monitoring device, control command generating means, energy management functionality mode selector, energy
Management function mode setting device, touch display screen, discharge and recharge time-setting mechanism and timing mould
Block connect, communication device respectively with photovoltaic power detection means, load power detection means, electricity
Pond state-of-charge detection means, failure detector, charge-discharge electric power adjusting apparatus, electric energy matter
Amount monitoring device connects with control command generating means, photovoltaic power detection means and photovoltaic limit work(
Rate setting device is connected, and energy management functionality mode selector is set with energy management functionality pattern
Determine device connection, and discharge and recharge time-setting mechanism connects with time block, there should be energy pipe
The online power quality monitoring device of reason function is advantageous in that not only possess traditional electricity
Energy quality-monitoring function, is provided simultaneously with energy management functionality, can be reduced compared to legacy equipment whole
The hardware cost of body grid-connected power generation system and be easy to day-to-day operation to safeguard, by communication device with
Photovoltaic DC-to-AC converter connects with energy storage transformation system, can carry out energy management, and reduce monitoring
Equipment, the present invention can not only carry out electric energy quality monitoring, and can carry out energy management, knot
Structure is simple, reduces hardware cost so that easy to maintenance.
In the present embodiment, communication device is connected with photovoltaic DC-to-AC converter and energy-storage system, and communicates dress
Put including ethernet communication module, RS485 communication modules and RS232 communication modules, energy pipe
Reason functional mode setting device is generated power for their own use pattern setting module, UPS mode of operations including photovoltaic
Setting module, timing charge and discharge mode setting module and manual control charge and discharge mode setting mould
Block, photovoltaic power detection means are used to detect the power output of photovoltaic DC-to-AC converter, and negative
Lotus power detection device is used to detect the load power of photovoltaic DC-to-AC converter, battery charge shape
State detection means is used to detect the battery charge state of energy-storage system, and photovoltaic limit power
Setting device is used to set the output power limit value of photovoltaic DC-to-AC converter, fault detect dress
Put for being detected to the operation troubles of public electric wire net, and charge-discharge electric power adjusting apparatus is used for
The charge-discharge electric power of energy-storage system is adjusted, equipment for monitoring power quality is used to carry out electric energy
Quality-monitoring, and control command generating means are used to generate control command, to photovoltaic DC-to-AC converter and
Energy-storage system is controlled, and energy management functionality mode selector is used to select energy management work(
Energy pattern, and energy management functionality mode setting device is used to carry out energy management functionality pattern
Setting, the discharge and recharge time that discharge and recharge time-setting mechanism is used for energy-storage system set,
There is the online power quality monitoring device of energy management functionality to be advantageous in that not only having for this
For traditional electric energy quality monitoring function, energy management functionality is provided simultaneously with, is set compared to tradition
It is standby to reduce the hardware cost of overall grid-connected power generation system and be easy to day-to-day operation to safeguard, lead to
Cross communication device to be connected with photovoltaic DC-to-AC converter and energy storage transformation system, energy management can be carried out,
And reducing monitoring device, the present invention can not only carry out electric energy quality monitoring, and can carry out
Energy management, it is simple in construction, reduce hardware cost so that easy to maintenance.
In the present embodiment, photovoltaic is selected to generate power for their own use pattern, intelligent interaction tracking terminal load work(
Rate exports, and photovoltaic is by MPPT maximum power point tracking pattern or limit power mode operation：(1) photovoltaic is worked as
Power P pv is more than load power Pload and battery charge state SOC or voltage not up to charge
During the upper limit, device command energy-storage system enters charge mode, battery charge power
Pbat=Ppv-Pload；When battery SOC or voltage have reached charging setting thresholding, stopping pair
The charging of battery, unnecessary photovoltaic power can flow into power network；(2) when Ppv be less than Pload and
When battery SOC (or voltage) is not up to electric discharge lower limit, device command energy-storage system enters electric discharge
Pattern (Pbat=Pload-Ppv), if loading demand still can not be met, power network is noted automatically
Enter power and meet loading demand.
UPS mode of operations are selected, when public electric wire net normal operation, photovoltaic operates in most always
High-power tracing mode, now only allow energy-storage system to charge, ensure that battery is completely filling all the time
State；When public electric wire net occurs abnormal, energy-storage system is transferred to discharge mode, and photovoltaic system
Together emergency service is provided to load.
Timing charge and discharge mode is selected, user can be according to the actual demand of locality, oneself setting pair
The different discharge and recharge times of energy-storage system, the battery discharge at peak of power consumption (the high electricity charge), with
Battery charges during electric low ebb (the low electricity charge)；Stop fortune when battery reaches SOC or voltage threshold
OK.
Control charge and discharge mode, user can pass through the man-machine interface of intelligent interaction terminal manually for selection
To manually adjust the charge-discharge electric power of battery.
The foregoing is only a preferred embodiment of the present invention, but protection model of the invention
Enclose and be not limited thereto, any one skilled in the art the invention discloses skill
In the range of art, technique according to the invention scheme and its inventive concept are subject to equivalent substitution or changed
Become, should all be included within the scope of the present invention.
Claims (5)
1. a kind of online power quality monitoring device with energy management functionality, including photovoltaic
Power detection device, load power detection means, battery charge state detection device, photovoltaic limit
It is power setting device, failure detector, charge-discharge electric power adjusting apparatus, communication device, micro-
Processor, equipment for monitoring power quality, control command generating means, energy management functionality pattern
Selection device, energy management functionality mode setting device, touch display screen, discharge and recharge time set
Determine device and time block, it is characterised in that the microprocessor detects with photovoltaic power respectively
Device, load power detection means, battery charge state detection device, photovoltaic limit power setting
Device, failure detector, charge-discharge electric power adjusting apparatus, communication device, quality of power supply prison
Survey device, control command generating means, energy management functionality mode selector, energy management
Functional mode setting device, touch display screen, discharge and recharge time-setting mechanism and time block connect
Connect, the communication device respectively with photovoltaic power detection means, load power detection means, electricity
Pond state-of-charge detection means, failure detector, charge-discharge electric power adjusting apparatus, electric energy matter
Amount monitoring device connects with control command generating means, the photovoltaic power detection means and photovoltaic
Limit power setting device connection, the energy management functionality mode selector and energy management work(
Energy mode setting device connection, and discharge and recharge time-setting mechanism connects with time block.
A kind of 2. online electric energy matter with energy management functionality according to claim 1
Measure monitoring device, it is characterised in that the communication device is connected with photovoltaic DC-to-AC converter and energy storage system
System, and communication device includes ethernet communication module, RS485 communication modules and RS232 communications
Module.
A kind of 3. online electric energy matter with energy management functionality according to claim 1
Measure monitoring device, it is characterised in that the energy management functionality mode setting device includes photovoltaic
Pattern of generating power for their own use setting module, UPS Working mode sets module, timing charge and discharge mode are set
Cover half block and manually control charge and discharge mode setting module.
A kind of 4. online electricity with energy management functionality according to claim 1 or 2
Energy quality monitoring device, it is characterised in that the photovoltaic power detection means is used for inverse to photovoltaic
The power output for becoming device is detected, and load power detection means is used for photovoltaic DC-to-AC converter
Load power is detected, and the battery charge state detection device is used for the electricity to energy-storage system
Pond state-of-charge is detected, and photovoltaic limit power setting device is used for the defeated of photovoltaic DC-to-AC converter
Go out power limit to be set.
A kind of 5. online electricity with energy management functionality according to claim 1 or 2
Energy quality monitoring device, it is characterised in that the failure detector is used for public electric wire net
Operation troubles is detected, and charge-discharge electric power adjusting apparatus is used for the discharge and recharge to energy-storage system
Power is adjusted, and the equipment for monitoring power quality is used to carry out electric energy quality monitoring, and controls
Order generating means processed are used to generate control command, and photovoltaic DC-to-AC converter and energy-storage system are controlled
System, the energy management functionality mode selector are used to select energy management functionality pattern, and
Energy management functionality mode setting device is used to set energy management functionality pattern, described
The discharge and recharge time that discharge and recharge time-setting mechanism is used for energy-storage system sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374488.3A CN107449976A (en) | 2016-06-01 | 2016-06-01 | A kind of online power quality monitoring device with energy management functionality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374488.3A CN107449976A (en) | 2016-06-01 | 2016-06-01 | A kind of online power quality monitoring device with energy management functionality |
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| Publication Number | Publication Date |
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| CN107449976A true CN107449976A (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610374488.3A Pending CN107449976A (en) | 2016-06-01 | 2016-06-01 | A kind of online power quality monitoring device with energy management functionality |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117353366A (en) * | 2023-09-12 | 2024-01-05 | 北京双登慧峰聚能科技有限公司 | Optical storage micro-grid system, control method, device, equipment and program product thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471096A (en) * | 2014-09-12 | 2016-04-06 | 张万生 | Micro-network intelligent monitoring system based on multiple heterogeneous information fusion technology |
-
2016
- 2016-06-01 CN CN201610374488.3A patent/CN107449976A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471096A (en) * | 2014-09-12 | 2016-04-06 | 张万生 | Micro-network intelligent monitoring system based on multiple heterogeneous information fusion technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117353366A (en) * | 2023-09-12 | 2024-01-05 | 北京双登慧峰聚能科技有限公司 | Optical storage micro-grid system, control method, device, equipment and program product thereof |
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Application publication date: 20171208 |