First, the purpose
Ensure the safety and correctness of the operation of the equipment in the high-voltage power distribution room and ensure that the equipment is in good condition.
Second, the scope of application
Operation of power distribution equipment in high voltage power distribution rooms. Each management office may prepare detailed operational procedures based on the actual conditions of this jurisdiction.
Third, the manual operation mode:
The running technician sends power to each busbar as required. At this time, the bus coupler switch must be opened. If one of the incoming lines loses voltage or lacks power, that is, delays the trip, the operating technician can choose to exit the line-in switch where the voltage is lost, and then close the bus-coupled switch, and send power to the busbar to resume power supply.
Fourth, automatic operation mode:
When the incoming line power is normal, automatic operation can be selected. If there is voltage loss or power shortage, the delay will be tripped first, then the high voltage bus coupling switch will be automatically closed to restore the power supply; but when the incoming line returns to normal power supply, the bus switch It is necessary to select the manual operation by the on-duty personnel, and first divide the bus-coupled switch, and then put in the line switch to restore the normal power supply.
V. Accident handling:
1. Overcurrent fault: If the line over-current (including over-current and quick-break), the line switch car will automatically trip, and the fault indication will light on the instrument panel. The duty officer must understand the cause of the fault, clear the fault, and then manually reset the button.
2. Ground fault: The indication and processing procedures are the same as the overcurrent fault.
3. Transformer temperature rise fault: The indication and processing procedures are the same as the overcurrent fault.
4. Loss of voltage trip fault: The indication and processing procedures are the same as the overcurrent fault.
The main function of the Solar Charge Controller is to manage the charging and discharging process between the Solar Panel and the battery in the solar power generation system. Its main function is to protect the battery from overcharge and over-discharge damage, ensure battery charging efficiency, and stabilize the operation of the solar power generation system.
Main effect:
Charge control: The solar charge controller controls the charging process by monitoring the voltage and current generated by the solar panel to ensure that the battery is charged at the appropriate voltage and current to extend the battery life.
Overcharge protection: The solar charge controller can monitor the charging status of the battery, and when the battery is fully charged, it will automatically stop charging to avoid battery damage caused by overcharging.
Over-discharge protection: The solar charge controller can monitor the discharge state of the battery. When the battery power is lower than a certain level, it will automatically stop discharging to avoid battery damage caused by over-discharge.
Differences from other charge controllers:
The solar charge controller is a charge controller specially designed for solar power generation systems, the main differences are as follows:
Applicable Energy: The solar charge controller is suitable for solar power generation systems, mainly used to manage the charging and discharging process between solar panels and batteries. While other charge controllers may be suitable for different energy generation systems, such as wind energy, hydro energy, etc.
Charging characteristics: The solar charge controller is optimized for the characteristics of the solar panel, and can control the charging process according to the output power and voltage characteristics of the solar panel. Other charge controllers may be optimized for different types of energy generation characteristics.
Protection function: Solar charge controllers usually have overcharge protection and over-discharge protection functions to ensure the safe charging and discharging of batteries. Other charge controllers may have different protection functions, depending on the needs of the application scenario.
Overall, the main role of the solar charge controller is to manage the charging and discharging process in the solar power generation system, protect the battery from damage, and stabilize the system's operation. Compared with other charge controllers, it is optimized for the characteristics of solar power generation systems and has unique functions such as overcharge protection and over-discharge protection to meet the needs of solar power generation systems.
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