CN206041511U - System for regulating building electrical load is balanced - Google Patents
System for regulating building electrical load is balanced Download PDFInfo
- Publication number
- CN206041511U CN206041511U CN201621041330.6U CN201621041330U CN206041511U CN 206041511 U CN206041511 U CN 206041511U CN 201621041330 U CN201621041330 U CN 201621041330U CN 206041511 U CN206041511 U CN 206041511U
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- electric heating
- transformer
- output
- master control
- electrical load
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Abstract
The utility model relates to a system for regulating building electrical load is balanced, building electrical load include electric heating equipment, and electric heating equipment comprises a plurality of electric heating units, and every electric heating unit all is equipped with temperature sensor and controller, be equipped with master control set, transformer current sensor output, transformer voltage sensor output and electric heating unit temperature sensor output connect the controller of master control set's input, master control set's output termination electric heating unit. Master control set is according to the signal of transformer current sensor, transformer voltage sensor conveying, calculates power transformer's output, and according to power transformer's output, master control set controls electrical load's break -make. The utility model discloses can current building power transformer rated capacity unchangeable with add under the condition of electric heating equipment, can the current capacity of rational utilization, it is balanced effectively to adjust building electrical load.
Description
Technical field
The utility model is related to a kind of system for adjusting building electrical load balance.
Background technology
Existing building are powered, and load includes lighting apparatus, power-equipment (water
Pump, elevator, fire fighting device etc.), air-conditioning equipment.At present, as coal changes the popularization of electrical engineering, building heating is replaced by electric heating
Coal heating has become trend, during electric heating, need to increase electric heating equipment, be well over existing electricity on the basis of existing load
The rated capacity of power transformer, causes power outage, in the case where existing building power transformer rated capacity is constant, how
Existing capacity can be rationally utilized, building electrical load balance is effectively adjusted, is technical problem urgently to be resolved hurrily, still belongs to skill at present
Art is blank.
The content of the invention
Goal of the invention of the present utility model is to provide a kind of system for adjusting building electrical load balance, can be existing
Building power transformer rated capacity is constant and in the case of setting up electric heating equipment, can rationally utilize existing capacity, effectively
Adjust building electrical load balance.
Based on same inventive concept, the utility model has two independent technical schemes：
1st, a kind of system for adjusting building electrical load balance, building power transformer output terminal connect building electrical load,
Electrical load includes lighting apparatus, power-equipment, air-conditioning equipment, it is characterised in that：Electrical load also includes electric heating equipment, electricity
Heating equipment is made up of multiple electric heating units, and each electric heating unit is equipped with temperature sensor and controller；Power transformer
The output end of device is provided with transformer current sensor, transformer voltage sensor；It is provided with master control set, transformer current sensor
The input of output end, transformer voltage sensor output and electric heating unit temperature sensor output termination master control set,
The controller of the output termination electric heating unit of master control set.
Further, load current sensor, load electricity is equipped with lighting apparatus, power-equipment, air-conditioning equipment circuit
Pressure sensor and load control switch, load current sensor, the output termination master control set of load voltage sensor, master control dress
The output termination load control switch put.
Further, electric heating unit line is provided with current sensor, voltage sensor, and the electric current of electric heating unit is passed
Sensor output end, voltage sensor output connect master control set.
Preferably, power transformer has three-phase output end, is equipped with transformer current sensor, change on every phase output terminal
Depressor voltage sensor.
2nd, a kind of method that utilization said system adjusts building electrical load balance, it is characterised in that：Master control set according to
Transformer current sensor, the signal of transformer voltage sensor transmission, calculate the power output of power transformer, according to electric power
The power output of transformer, master control set are controlled to the break-make of electrical load.
Further, when power transformer power output exceedes the higher limit of setting, master control set control reduces electric power
The quantity of load, i.e. breaking part electrical load；When lower limit of the power transformer power output less than setting, master control set
Control increases the quantity of electrical load, i.e. opening section electrical load.
Further, when power transformer power output exceedes the higher limit of setting, master control set control breaking part
Electric heating unit, the order for disconnecting electric heating unit is to low temperature electric heating unit by high temperature electric heating unit electric heating unit；
When lower limit of the power transformer power output less than setting, master control set control opening section electric heating unit starts electricity
The order of heating unit is to high temperature electric heating unit electric heating unit by low temperature electric heating unit.
Preferably, the power transformer power output higher limit for setting is as the 95% of power transformer rated power
98%, the power transformer power output lower limit for setting as power transformer rated power 90% 93%.
The utility model has the advantage that：
The utility model electrical load also includes electric heating equipment, and electric heating equipment is made up of multiple electric heating units, often
Individual electric heating unit is equipped with temperature sensor and controller；The output end of power transformer be provided with transformer current sensor,
Transformer voltage sensor；Be provided with master control set, transformer current sensor output, transformer voltage sensor output and
The input of electric heating unit temperature sensor output termination master control set, the control of the output termination electric heating unit of master control set
Device processed.Change of the utility model master control set according to power transformer power output, controls the break-make of electrical load, realizes electricity
Power load balance, especially can carry out break-make control to the electric heating unit set up, in the specified appearance of existing building power transformer
Amount is constant and in the case of setting up electric heating equipment, rationally can utilize existing capacity, effectively adjust building electrical load and balance.
Load current sensor, load electricity is equipped with the utility model lighting apparatus, power-equipment, air-conditioning equipment circuit
Pressure sensor and load control switch, load current sensor, the output termination master control set of load voltage sensor, master control dress
The output termination load control switch put.Electric heating unit line is provided with current sensor, voltage sensor, electric heating unit
Current sensor output, voltage sensor output connect master control set.The utility model master control set can to lighting apparatus,
Power-equipment, air-conditioning equipment, electric heating equipment whole electrical load are monitored and control, and easily facilitate and building electric power is responsible for
The regulation of balance.
When the utility model exceedes the higher limit of setting when power transformer power output, master control set control reduces electric power
The quantity of load, i.e. breaking part electrical load；When lower limit of the power transformer power output less than setting, master control set
Control increases the quantity of electrical load, i.e. opening section electrical load.In the utility model setting power transformer power output
Limit value, lower limit, when power transformer power output exceedes higher limit, master control set control electrical load only subtracts and is not added with, electric power
When transformer power output is less than lower limit, master control set control electrical load only adds and does not subtract so that power transformer output work
Rate operates in the reasonable interval between higher limit and lower limit, realizes that electrical load is balanced.
When the utility model exceedes the higher limit of setting when power transformer power output, master control set control breaking part
Electric heating unit, the order for disconnecting electric heating unit is to low temperature electric heating unit by high temperature electric heating unit electric heating unit；
When lower limit of the power transformer power output less than setting, master control set control opening section electric heating unit starts electricity
The order of heating unit is to high temperature electric heating unit electric heating unit by low temperature electric heating unit.The utility model especially for
The electric heating unit set up is controlled, and according to the temperature of electric heating unit, can determine the order of electric heating unit break-make, both adjust
Electrical load balance has been saved, the relatively stable of environment temperature in building has been taken into account again.
Description of the drawings
Fig. 1 is the utility model schematic block circuit diagram.
Specific embodiment
Building electrical load includes lighting apparatus, power-equipment (water pump, elevator, fire fighting device etc.), air-conditioning equipment, electric power
Load also includes electric heating equipment, and electric heating equipment is made up of multiple electric heating units, in each electric heating unit correspondence building
A family or one layer.Building electrical load is powered by power transformer output, and building power transformer output terminal connects building electric power
Load.
As shown in figure 1, each electric heating unit is equipped with temperature sensor and controller, temperature sensor is used for detecting electricity
The indoor temperature of heating unit region, controller are used for break-make electric heating unit.The output end of power transformer is provided with change
Depressor current sensor, transformer voltage sensor, during enforcement, power transformer has three-phase output end, on every phase output terminal
It is equipped with transformer current sensor, transformer voltage sensor.It is provided with master control set, transformer current sensor output,
The input of transformer voltage sensor output and electric heating unit temperature sensor output termination master control set, master control set
Output termination electric heating unit controller.Load current biography is equipped with lighting apparatus, power-equipment, air-conditioning equipment circuit
Sensor, load voltage sensor and load control switch, load current sensor, the output termination master control of load voltage sensor
Device, the output termination load control switch of master control set.Electric heating unit line is provided with current sensor, voltage sensor
Device, the current sensor output of electric heating unit, voltage sensor output connect master control set.Above-mentioned transformer current sensing
Device, transformer voltage sensor, electric heating unit temperature sensor, controller, load current sensor, load voltage sensing
Can be connected by wired or wireless way between device, load control switch and master control set, master control set may be disposed at building
Electrical control room in.
Adjust building electrical load balance method：
Embodiment 1：
Building power transformer rated power is 630KvA, and master control set is according to transformer current sensor, transformer electricity
The signal of pressure sensor transmission, calculates the power output of power transformer, according to the power output of power transformer, master control set
The break-make of electrical load is controlled.When power transformer power output exceedes higher limit 610KvA of setting, master control dress
Control breaking part electric heating unit is put, the order for disconnecting electric heating unit is to low temperature electric heating list by high temperature electric heating unit
Unit, the corresponding regional temperature of such as one electric heating unit is 27 degree, and the temperature of another electric heating unit corresponding region is 25
Degree, then first disconnect 27 degree of electric heating unit；When lower limit 580KvA of the power transformer power output less than setting, master control
Device controls opening section electric heating unit, and the order for starting electric heating unit is to high temperature electric heating by low temperature electric heating unit
Unit.Finally, master control set control power transformer power output realizes electrical load in the interval operations of 580KvA 610KvA
Balance.
Embodiment 2：
Building power transformer rated power is 630KvA, and master control set is according to transformer current sensor, transformer electricity
The signal of pressure sensor transmission, calculates the power output of power transformer, according to the power output of power transformer, master control set
The break-make of electrical load is controlled.When power transformer power output exceedes higher limit 610KvA of setting, master control dress
Put the quantity that control reduces electrical load, i.e. breaking part electrical load；When power transformer power output is less than under setting
During limit value 580KvA, master control set control increases the quantity of electrical load, i.e. opening section electrical load.In embodiment 2, disconnect
Or the electrical load opened, not only including electric heating unit, also including lighting apparatus, power-equipment or air-conditioning equipment.Finally, it is main
In the interval operations of 580KvA 610KvA, control device control power transformer power output realizes that electrical load is balanced.
Embodiment 3：
Building power transformer rated power be 630KvA, the higher limit that power transformer power output sets as
615KvA, lower limit 585KvA of power transformer power output setting, remaining control method with embodiment 1 or embodiment 2, most
Eventually, master control set controls power transformer power output in the interval operations of 585KvA 615KvA, realizes that electrical load is balanced.
Claims (4)
1. a kind of to adjust the system that building electrical load is balanced, building power transformer output terminal connects building electrical load, electric power
Load includes lighting apparatus, power-equipment, air-conditioning equipment, it is characterised in that：
Electrical load also includes electric heating equipment, and electric heating equipment is made up of multiple electric heating units, and each electric heating unit is equal
It is provided with temperature sensor and controller；
The output end of power transformer is provided with transformer current sensor, transformer voltage sensor；
It is provided with master control set, transformer current sensor output, transformer voltage sensor output and electric heating unit temperature
Degree sensor output connects the input of master control set, the controller of the output termination electric heating unit of master control set.
2. the system for adjusting building electrical load balance according to claim 1, it is characterised in that：Lighting apparatus, power set
Load current sensor, load voltage sensor and load control switch is equipped with standby, air-conditioning equipment circuit, and load current is passed
The output termination master control set of sensor, load voltage sensor, the output termination load control switch of master control set.
3. the system for adjusting building electrical load balance according to claim 2, it is characterised in that：On electric heating unit line
Current sensor, voltage sensor is provided with, the current sensor output of electric heating unit, voltage sensor output connect master control
Device.
4. the system that the regulation building electrical load according to claims 1 to 3 any one is balanced, it is characterised in that：Electricity
Power transformer has three-phase output end, is equipped with transformer current sensor, transformer voltage sensor on every phase output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621041330.6U CN206041511U (en) | 2016-09-07 | 2016-09-07 | System for regulating building electrical load is balanced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621041330.6U CN206041511U (en) | 2016-09-07 | 2016-09-07 | System for regulating building electrical load is balanced |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206041511U true CN206041511U (en) | 2017-03-22 |
Family
ID=58299250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621041330.6U Expired - Fee Related CN206041511U (en) | 2016-09-07 | 2016-09-07 | System for regulating building electrical load is balanced |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206041511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253311A (en) * | 2016-09-07 | 2016-12-21 | 河北五源智能电热有限公司 | A kind of system and method regulating building electrical load balance |
| CN110336300A (en) * | 2019-06-28 | 2019-10-15 | 浙江大学 | Consider that the convertible frequency air-conditioner of fm exciter signal participates in the controller of electric system frequency modulation |
-
2016
- 2016-09-07 CN CN201621041330.6U patent/CN206041511U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253311A (en) * | 2016-09-07 | 2016-12-21 | 河北五源智能电热有限公司 | A kind of system and method regulating building electrical load balance |
| CN110336300A (en) * | 2019-06-28 | 2019-10-15 | 浙江大学 | Consider that the convertible frequency air-conditioner of fm exciter signal participates in the controller of electric system frequency modulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20190907 |