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Application of ankery anti shake electric products in a chemical project in Hebei
2022-06-12 02:41:00 【Ankerui Huanan】
Encore Hua Nan
Abstract : In recent years , The continuity of industrial production has become the focus of many enterprises , So that a large number of new projects need anti-seismic circuits at the beginning of design . This paper introduces a new chemical industry group in Hebei Province 30 10000 ton functional polystyrene project , use ARD2F Motor protector and ARD-KHD-S03A The anti surge device can protect the motor circuit and restart the motor after voltage loss , Guarantee the service life of motor equipment , At the same time, it can reduce the production stagnation caused by voltage drop , Reduce maintenance labor costs .
1、 Description of project
Hebei Yijia Chemical Co., Ltd. was established in 2021 year 1 month , It's the county 2021 Invested and constructed in 9 One of the demonstration projects , The project covers an area of 85.75 mu , investment 2.5 One hundred million yuan , It is mainly used to produce functional polystyrene and other polymers , The planned annual production capacity is about 30 Ten thousand tons of .
2、 Product scheme and function
ARD2F Intelligent motor protector and ARD-KHD-S03A The anti-seismic device is installed in the project of Chemical Co., Ltd 139 On a motor circuit .
ARD2F Protector 、 Protect 、 Control and communication network at the same time ,ARD2F The protector passes through the built-in capacitor , Supply power to the protector in case of electric shock . After voltage recovery and contactor automatic suction , The output of the protector relay can be maintained for a period of time (0.0-10.0s Adjustable ), Otherwise, it will enter the restart phase , Recover the voltage within the preset allowable time , The start relay will delay closing , Thus, the motor can be restarted .
When the frequency conversion circuit adopts ARD-KHD-S03A Anti shake device , The device uses frequency conversion to start the intermediate relay signal 、 Frequency converter EROR Signal and operation signal , It will first judge the current status of earthquake electricity through the voltage . When the voltage recovers to the restart voltage within the set time , Output the restart signal to the frequency converter , Restart it . If the frequency converter EROR The signal is present when the voltage is restored , Then the device frequency conversion is reset DO Output 、 Reset the inverter fault 、 Restart signal after restart delay .
The specific configuration table of the project is as follows :

3、 Live pictures


ARD2F Field installation picture of motor protector


ARD-KHD-S03A On site installation picture of anti sway device
1、 Product introduction
4.1、ARD2F Intelligent motor protector :
Applicable to rated voltage to 660V Low voltage motor circuit , Set protection 、 measurement 、 control 、 Communications 、 Integration of operation and maintenance . Its perfect protection function ensures the safe operation of the motor , With logic programmable function , It can meet a variety of control modes . Different communication modules can be selected to meet the needs of field communication .
The product adopts split structure , By subject 、 Display unit 、 Composition of transformer , It can adapt to the installation of various cabinets .
Technical parameters

Functional characteristics
■ Support fundamental and full wave power parameter measurement (U、I、P、Q、S、PF、F、EP、EQ), Current and current unbalance 、 Current positive sequence 、 negative sequence 、 Zero sequence component 、 voltage 、 Three phase voltage phase angle 、 Residual current .
■ The protection function includes overload inverse time limit 、 Overload time limit 、 Grounding 、 Start timeout 、 Electric leakage 、 Underload 、 Phase failure 、 Locked rotor 、 Blocking 、 A short circuit 、 overflow 、 out-off-balance ( electric current 、 voltage )、 Overpower 、 Under power 、 Overvoltage 、 Undervoltage 、 Phase sequence 、 temperature 、tE Time 、 External fault 、 The number of starts is limited 、 Run time alarm 、 Number of failures and alarms .
■ 9 Way programmable DI Input , The default is built-in DC24V Power Supply , External active wet contact can also be selected .
■ 5 Way programmable DO Output , Meet the requirements of direct starting , star — Delta start , Autotransformer starting , And so on , The remote control of the motor by the master station can be realized through the communication bus “ rise / stop ”.
■ Optional anti shake function : Support immediate restart after power shaking 、 Loss of pressure restart .
■ Optional MODBUS_RTU Communications 、PROFIBUS DP Communications , Support is no more than 2 Communication interface .
■ Optional 1 road DC4-20mA Analog output interface , And DCS The system is connected , It can realize the monitoring of field equipment .
■ Have fault records 、 Start up record 、 Parking record 、DI All kinds of event records such as displacement record and restart record .
■ Display interface liquid crystal display , Supporting / English switch .
4.2、ARD-KHD-S03A Anti shake device :
Have “ Shake the electricity and keep + Shake the electricity and start again ” function , It can resist the release of the contactor caused by the shaking of the contactor control circuit , It can also be used for frequency conversion 、 The soft starting circuit realizes restart , Ensure the continuous operation of the equipment , Escort the production of the enterprise .
Technical parameters

Functional characteristics
■ The electric shake keeping is combined with the electric shake restart , Convenient wiring , It can resist the release of contactor caused by voltage drop
■ Anti shake programmable setting , Meet different customer needs
■ 4 Way programmable DI Input , Built in DC24V Power Supply ;4 Way programmable passive DO Output
■ Optional 1 road MODBUS_RTU Communications
■ Optional configuration to record power shaking events 、 Switching value events 、 Contactor events 、 Device events 、 Power on event 、 Ramp up and ramp down events , All kinds of events are different 16 strip , It is convenient for users to maintain and manage
■ The main body is equipped with LCD as standard , At the same time, the external embedded installation display unit is optional
■ The external display unit supports U Disk program upgrade
1、 Conclusion
In recent years , Whether it is a new industrial project or a variety of transformation projects , More and more enterprises require the motor circuit to have “ Anti shake electricity ” function . Encore ARD2F Series intelligent motor protector , It has all kinds of conventional Ma Bao measurements 、 Protect 、 Communication and other functions , It can also realize the control circuit “ Loss of voltage restart ”, Rich in functions , High integration ;ARD-KHD-S03A The anti sway device can be realized for the conventional direct starting circuit “ Flashover protection + Shake the electricity and start again ” Anti shake mode , It can also realize... For frequency conversion circuit “ERROR Reset + Frequency conversion starts again ”, Meet the anti sway requirements of different circuits . Both products have their own advantages , To ensure the stability of production and operation 、 reliability , Ideal for productivity .
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