发电机组在自动状态进行自发电输出期间，如果市电恢复并经30秒确认后，机组开始执行自动退出程序，机组将首先切断负载，恢复市电供电，然后冷机运行2分钟后自动停机。若冷机运行期间，市电停止供电，则机组自动调高速，恢复对负载供电。
转速低、超速、频率超限，电压超限、急停、启动失败有故障保护功能，如果某路模拟量输入值大于上限或小于下限，开始对应的过高/过低延时，延时结束后，数值扔未恢复正常，油机立即故障停机，告警灯长亮。
机组在市电或自发电期间，可对启动控制电瓶进行自动充电。充电系统采用开关电源，它可对电瓶实现两阶段方式充电。在充电第一阶段，电瓶容量较低时，采用恒流6ADC充电，当电瓶电压到26.5VDC转入恒压充电，并一直保持浮充电。当电瓶充足电时，充电电流自动为零。
机组控制系统的面板上有自动和手动，当系统工作在手动状态时，可实现对机组的启动，高低速装换、供电、停机、报警信号灯光试验报警解除自发电分闸和合闸，市电合闸等操作。紧急停车旋钮在自动与手动状态下均生效。非常紧急情况，切勿用此按钮。
Automatic switch
A detailed introduction, product
A. display: three-phase voltage, three-phase current, generator power, power factor, frequency, control the voltage of the battery float charging current, operation time, time.
B
: three-phase voltage, three-phase current, generator power, power factor, frequency, control the voltage of the battery float charging current, operation time, time.
B. indicator: the city power supply indicator, generator power indicator, power supply indicator, all kinds of fault alarm indication.
The state of the C. selection: automatic / manual / trial operation.
1: automatic control, automatic quasi state city electricity state automatic detection, automatic start, automatic cast net unit, automatic back network, automatic shutdown, automatic shutdown, fault alarm, trip.
2 manual: manual start, manual closing, tripping, stop
The 3 trial operation: there is power in the state of city electricity, once a week to implement automatic operation of the unit, ensure the unit in good standby.
D. regulation:
1 generator automatic voltage adjustment and manual adjustment.
Automatic voltage regulation accuracy + 0.5%Ve (Note: Ve- rated power
The generator voltage manual fine tuning range + 0.5%Ve
2 floating charge regulation.
0 ~ 5A (control of floating charge batteries) adjustable current.
The battery voltage DC12 / 24V
E. quasi state control system:
Automatic pre heating system
Output voltage AC220V
1.5KW/ output power station
Automatic control temperature 50 to 55 DEG C (unit temperature)
In automatic mode, the unit ready to start automatically, power failure, automatically cast net in 8S, with full load operation.
Units must be in the ready state, through the water cooling system of pre heating, self circulation, automatic temperature control, the realization of unit 50 to 55 DEG C.
F. electric automatic detection:
In automatic mode, through the external switch signal, to city electricity state automatic long-term detection, discrimination.
Once the city electrical malfunction, power failure, immediately can enter the automatic startup status.
Automatic start, automatic cast net G. unit, automatic back network, automatic shutdown system:
When the unit is in the automatic mode, the city power outage with 3S confirmation, automatic start units (three times to start as a circle).
When the rated voltage and rated speed, automatic closing cast net, power supply.
Since the start-up of network power supply time is less than or equal to 12S.
When returned to normal after power, with 3S confirmation, set automatic tripping back network, delay time for 3 minutes, automatic shutdown, and automatically enters the ready state automatically start the next.
H. automatic protection:
With overload, short circuit, high water temperature, low oil pressure, oil temperature, under voltage, over speed protection.
With automatic tripping, stop function.
With overload, high water temperature, low oil pressure, self starting failure, overspeed, oil temperature
Automatic fault alarm.
I. system description:
The system uses high reliability of electrical products, automatic control, automatic start, automatic shutdown and automatic control, industrial computer by Sino foreign joint venture PLC control computer system, ensure the operation reliability.
The function of automatic switching system, the city electricity, unit two:
The system has two power city electricity, set automatic switching power supply function, mainly realizes the automatic switching power supply mains and unit.
Normal state, city power supply system has the priority function, when the mains power failure, the system can set automatic switching side, by the unit to the automatic load power supply; when the restoration of normal utility power system, automatic switching of the electric side, municipal electric power to the load automatic power supply, with the City Electric preferred power supply function.
According to the number of generating units and the city electricity is different, can be divided into: switching single group and one city power switch, single and double electric group switch unit with single, double, double city power switching unit with double city power.
Their functions are as follows:
Switching A. single group and one of the city power:
Parameter display function: mains voltage, the generator voltage, load current.
State display function: normal / fault, generator running / fault, electric / generator load.
Manual control function: manual / automatic / repair, generator / the city power load.
Automatic control function: fault, delay confirmation (adjustable time), issued instructions starting unit, unit start normal operation, the generator load; the city electricity recovery, delay confirmation (adjustable time), the city power load, no-load running 3 minutes (adjustable) after the automatic shutdown.
Switching B. single group and double electricity:
Parameter display function: a road, two road, the city power voltage mains voltage, the generator voltage, load current.
Status display: a road normal / fault, two road normal / fault, generator running / fault, a road two road, electric / electric / generator load.
Manual control function: manual / automatic / repair, master / selection, reserve city electric generator / road two road, electric / electric load.
Automatic control function: the main use of electricity failure, delay confirmation (adjustable time), the reserve city
Electric load; two electricity are failure, it sends the starting command, the unit starting back in operation, the generator load; the city electricity recovery, delay confirmation (adjustable time), the city power load, no-load running 3 minutes (adjustable) after the automatic shutdown.
Switching C. double unit with single city power:
Parameter display function: mains voltage, voltage, a number of No. two generator generator voltage, load current.
State display function: normal / fault, a number generator / fault, No. two generator running / fault, the city electricity / number one generator / No. two generator load.
Manual control function: manual / automatic / repair, main / standby generator, a generator choice / No. two generator / the city power load.
Automatic control function: fault, delay confirmation (adjustable time), start with the main unit instruction, main unit start running normal load; such as the main units in starting or fault occurs in the process of operation, automatic start standby unit, the normal operation of standby unit after starting with load; city power recovery, delay confirmation (adjustable time), the city power load, no-load operation minutes (adjustable) after the automatic shutdown.
Switching D. double unit with double electricity:
Parameter display function: a commercial power voltage, two city road, electric voltage, voltage, a number of No. two generator generator voltage, load current.
Status display: a road normal / fault, two road normal / fault, a number generator / fault, No. two generator running / fault, a generator / No. two generator / a road in the city of electric / two road in the city of electric load.
Manual control function: manual / automatic / repair, main / standby generator selection, the active / standby hand city power selection, number one generator / No. two generator / a road in the city of electric / two road in the city of electric load.
Automatic control function: the main use of electricity failure, delay confirmation (adjustable time), spare the city electricity load; two electricity are failure, delay confirmation (adjustable time), start with the main unit instruction, main unit start running normal load; such as the main units in starting or the fault occurred in the process of operation, automatic start standby unit, the normal operation of standby unit after starting with load; electric recovery, delay confirmation (adjustable time), the city power load, no-load running 3 minutes (adjustable) automatically.
The system adopts a Sino foreign joint venture love Czech ATS switch, realize electromechanical interlock to ensure reliability of operation.
Since three, and the car, automatic frequency and load adjustment system function:
The system has the function of grid connected A. manual / automatic grid / "0" position three sets of system and selection.
When the system is in the manual car condition, through the realization of two units of manual synchronization table.
Parallel operation, through the automatic frequency and load adjustment device, the realization of the unit operation process of automatic frequency modulation, automatic load regulation.
When the system is in the "0" state in the automatic mode, the two units in the city after the power failure at the same time start the unit, to realize the automatic cast net power supply only a delay unit, another unit 3 minutes downtime.
If the net unit has been voted the failure occurs, immediately start the other units and cast the net power supply.
B. when the system is in the automatic and state: in automatic mode two units in the city after the power failure and start the unit, to realize the automatic cast net armor units, when the power load is smaller than a rated power, delay B unit 3 minutes downtime, when a unit has been in operation for 8 hours of continuous work, B units will start immediately, achieve two units of automatic synchronization, and the power supply load is transferred to the second unit, a unit from a network, and a 3 minute delay shutdown.
C. when the power supply load for 1 minutes more than a rated power, the other units will start immediately and grid connected power supply.
The frequency and load control device to ensure the two units of uniform distribution of load.
This function can be programmed according to user requirements.
The D. system and it is the reverse power protection.
The system uses high reliability of electrical products, automatic control, automatic start, automatic cast net, automatic back network, automatic shutdown and automatic control, industrial computer using industrial control computer PLC system, ensure the operation reliability.
E. automatic paralleling device, automatic frequency and load adjustment device, adopts the quality reliable products.
Note: the above is the automatic diesel generator, and the vehicle, switch all the functions introduced, specific customer type selection were arranged according to customer needs.
Our company will provide you with the perfect dedicated to automated configuration, your satisfaction is our greatest pursuit of the company!
GFZ series automatic diesel generating set
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| Product description:
Automatic diesel generating set
It is designed with the advanced control system, using special program controller, and advanced ATS as the core of the high performance digital, automatic generating sets.
Products from the 10KW-5000KW units in the unattended condition automatically realize start-up and shutdown, automatic switching electricity and electricity network, automatic monitoring the running state of equipment, product technology, reliable quality and superior performance, over the years the products become the leader in automation units, exports of the country come out in front.
Introduces the performance
1, automatic start and input function
When the city electricity grid to stop power supply or mains voltage or less than 80% of the rated value unit will start automatically, after a successful start-up, to supply the power to the load, the entire process of successful control within 15 seconds of a start, having a distal end interface, can set the start delay, the realization of generating unit start and stop automatically.
2, automatic exit function
Generator power output from during the automatic state, if the city electricity recovery and after 30 seconds after the confirmation, unit start executing automatically exit the program, set will be the first to cut off the load, recovery of electric power supply, and cooler running automatically stop after 2 minutes.
If the cooler during the operation, the city power to stop power supply, is set automatically adjustable high speed, on the recovery of load power supply.
3, alarm in advance / fault protection function
Low battery voltage, charge failure, over current, low oil pressure, water temperature higher with early warning function, i.e. not numerical stop in alarm, alarm light flashes at this time; when the value exceeds the value of the oil machine downtime, and downtime fault generated.
Low speed, speed, frequency of out of gauge, voltage limit, emergency stop, failed to start a fault protection function, if an analog input value is greater than or less than the lower limit upper limit, corresponding to the high / low start delay, delay after the end, numerical throw did not return to normal, oil machine immediately fault shutdown, warning light on.
The above all kinds of alarm signal has the self-locking function, only the scene personnel after troubleshooting, press the "stop" button will make the system back to normal.
4, automatic charging function
Since the power unit in electric or period, automatic charging of battery for starting control.
The charging system uses switch power supply, it can realize two stage charging method of battery.
In the first stage of charging, the battery capacity is low, using 6ADC with constant current charging, when the battery voltage to the 26.5VDC to the constant voltage charging, and remained floating charge.
When the battery was fully charged, the charging current automatic zero.
5, the manual function
The unit control system panel has automatic and manual, when system is working in manual state, can be realized on the start-up, high and low speed loaded, power supply, stop, alarm signal lamp test alarm since lifting the power opening and closing, the closing operation, electric.
Emergency stop knobs are effective in automatic and manual state.
Very urgent situation, do not use this button.
6, other functional overview
The use of animation icon type alarm, fault display, high brightness, multicolor liquid crystal display parameters; automatic recording unit running time; compact and reasonable structure, stable and reliable performance.
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