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// Product Advantages
I. Efficient conversion
Soft - switching throughout the whole process, with a maximum efficiency of 99%.
Bidirectional energy flow, integrating charging and discharging.
High - power - density design, with small size but large energy capacity.
Reduce the amount of system cables and decrease losses.
II. Intelligent digit
All - digital control technology, with higher data - processing precision and speed.
Optimize circuit design for high - level integration.
High - frequency switching, with low - current ripple and high - voltage quality.
Active parallel - connection capacity - expansion technology.
III. Safe and reliable
Redundant design of key circuits.
Strengthen short - circuit protection.
Strengthen the protection of power boards; prevent salt - fog, corrosion, moisture, and dust, etc.
Product model | GWZK-0250 | GWZK-0500 |
Input parameters | ||
Rated input power | 250kw | 500kw |
PV input voltage range | 310~1000Vdc | 310~1000Vdc |
Full-load working voltage range | 600~850Vdc | 600~850Vdc |
Maximum working current | 416A | 832A |
Battery parameters | ||
Battery voltage range | 310~1000Vdc | 310-1000Vdc |
Full-load voltage range | 600~850Vdc | 600~850Vdc |
Maximum working current | 416A | 832A |
Efficiency | ||
Maximum efficiency | 99% | |
Basic parameters | ||
Isolation transformer | None | |
Dimensions(width×height× | 8000x2000x800mm | |
Weight | ≤5000kg | |
Protection level | Ip20 | |
Operating ambient temperature | (-30)~60*C(>55*C Derating) | |
Cooling method | air cooling | |
Relative humidity | 0~100%(No condensation) | |
Maximum operating altitude | 5000m(>3000m Derating) | |
Display | Touch Panel | |
Communication method | RS485/CAN/Ethernet | |
Parallel operation function | Support multi-machine parallel connection | |
// The following are the common application scenarios of the Intelligent DC Micro-grid Converter:
1. Distributed Generation Connection:
In distributed generation systems such as solar and wind power, the intelligent DC micro - grid converter can convert the direct current generated by solar panels or wind turbines into a voltage level suitable for the operation of the DC micro - grid and control and adjust the generated power. For example, in a large - scale solar power plant, the intelligent DC micro - grid converter efficiently connects the direct current generated by the photovoltaic array to the DC micro - grid, providing a stable power source for subsequent electrical equipment or energy storage devices.
2. Energy Storage System Integration:
For battery energy storage systems, such as lithium - ion batteries and lead - acid batteries, the intelligent DC micro - grid converter can control the charging and discharging of the batteries to ensure that they operate in a safe and efficient state. When there is an excess of electrical energy in the DC micro - grid, the converter stores the surplus energy in the batteries; when the electrical energy in the micro - grid is insufficient, the converter releases the energy from the batteries to maintain the power balance of the micro - grid. For instance, in some micro - grid projects in remote areas, using the intelligent DC micro - grid converter in conjunction with energy storage batteries can effectively solve the problems of intermittency and instability of renewable energy generation and improve the reliability of power supply.
3. DC Load Power Supply:
It provides a stable power supply for various DC loads, such as data centers, electric vehicle chargers, and LED lighting systems. Taking data centers as an example, traditional data centers need to use multi - stage AC/DC conversion to supply power to servers and other equipment, which has problems such as low conversion efficiency and high energy consumption. Using an intelligent DC micro - grid converter to directly supply DC power to data centers can greatly improve power supply efficiency and reduce energy consumption.
4. Interconnection of Micro - grid Clusters:
In a micro - grid cluster composed of multiple DC micro - grids, the intelligent DC micro - grid converter can realize the electrical energy interaction and coordinated control between micro - grids. Through the control of the converter, electrical energy can be reasonably allocated according to the power requirements and power generation conditions of each micro - grid, achieving the optimal allocation of resources. For example, in a large - scale energy system composed of multiple park micro - grids, the intelligent DC micro - grid converter can allocate the surplus electrical energy in different park micro - grids to improve the energy utilization efficiency of the entire system.
5. Emergency Power Supply Support:
In some places with high requirements for power supply reliability, such as hospitals, banks, and communication base stations, the intelligent DC micro - grid converter can be an important part of the emergency power supply system. When there is a fault or power outage in the external power grid, the converter can quickly convert the electrical energy from energy storage batteries or backup power generation equipment into DC power suitable for the loads, ensuring the normal operation of key equipment and providing strong support for emergency rescue and restoration work.
6. Industrial Automation Systems:
In the industrial production process, many devices such as motors, frequency converters, and PLCs require DC power. The intelligent DC micro - grid converter can provide stable and efficient DC power supply for these devices and at the same time achieve precise control and monitoring of the devices. For example, in an automated production line, using the intelligent DC micro - grid converter to supply DC power to the motor driver can achieve precise speed regulation and energy - saving operation of the motor, improving production efficiency and product quality.
// FAQ
Q: What is the conversion efficiency of the intelligent DC micro-grid converter?
A: This product adopts an advanced topology structure and control algorithm. Under full-load operating conditions, the conversion efficiency can reach over 98%, effectively reducing electrical energy losses and improving energy utilization efficiency.
Q: What types of distributed power sources can the product be adapted to?
A: It supports the connection of various distributed power sources such as photovoltaic power, wind power, and fuel cells. It can automatically adjust the output according to the characteristics of different power sources to ensure stable grid connection.
Q: Does it support remote monitoring and control?
A: It is equipped with an intelligent management system and supports remote real-time monitoring, parameter adjustment, and fault warning through a cloud platform or mobile terminal.
// Product Advantages
I. Efficient conversion
Soft - switching throughout the whole process, with a maximum efficiency of 99%.
Bidirectional energy flow, integrating charging and discharging.
High - power - density design, with small size but large energy capacity.
Reduce the amount of system cables and decrease losses.
II. Intelligent digit
All - digital control technology, with higher data - processing precision and speed.
Optimize circuit design for high - level integration.
High - frequency switching, with low - current ripple and high - voltage quality.
Active parallel - connection capacity - expansion technology.
III. Safe and reliable
Redundant design of key circuits.
Strengthen short - circuit protection.
Strengthen the protection of power boards; prevent salt - fog, corrosion, moisture, and dust, etc.
Product model | GWZK-0250 | GWZK-0500 |
Input parameters | ||
Rated input power | 250kw | 500kw |
PV input voltage range | 310~1000Vdc | 310~1000Vdc |
Full-load working voltage range | 600~850Vdc | 600~850Vdc |
Maximum working current | 416A | 832A |
Battery parameters | ||
Battery voltage range | 310~1000Vdc | 310-1000Vdc |
Full-load voltage range | 600~850Vdc | 600~850Vdc |
Maximum working current | 416A | 832A |
Efficiency | ||
Maximum efficiency | 99% | |
Basic parameters | ||
Isolation transformer | None | |
Dimensions(width×height× | 8000x2000x800mm | |
Weight | ≤5000kg | |
Protection level | Ip20 | |
Operating ambient temperature | (-30)~60*C(>55*C Derating) | |
Cooling method | air cooling | |
Relative humidity | 0~100%(No condensation) | |
Maximum operating altitude | 5000m(>3000m Derating) | |
Display | Touch Panel | |
Communication method | RS485/CAN/Ethernet | |
Parallel operation function | Support multi-machine parallel connection | |
// The following are the common application scenarios of the Intelligent DC Micro-grid Converter:
1. Distributed Generation Connection:
In distributed generation systems such as solar and wind power, the intelligent DC micro - grid converter can convert the direct current generated by solar panels or wind turbines into a voltage level suitable for the operation of the DC micro - grid and control and adjust the generated power. For example, in a large - scale solar power plant, the intelligent DC micro - grid converter efficiently connects the direct current generated by the photovoltaic array to the DC micro - grid, providing a stable power source for subsequent electrical equipment or energy storage devices.
2. Energy Storage System Integration:
For battery energy storage systems, such as lithium - ion batteries and lead - acid batteries, the intelligent DC micro - grid converter can control the charging and discharging of the batteries to ensure that they operate in a safe and efficient state. When there is an excess of electrical energy in the DC micro - grid, the converter stores the surplus energy in the batteries; when the electrical energy in the micro - grid is insufficient, the converter releases the energy from the batteries to maintain the power balance of the micro - grid. For instance, in some micro - grid projects in remote areas, using the intelligent DC micro - grid converter in conjunction with energy storage batteries can effectively solve the problems of intermittency and instability of renewable energy generation and improve the reliability of power supply.
3. DC Load Power Supply:
It provides a stable power supply for various DC loads, such as data centers, electric vehicle chargers, and LED lighting systems. Taking data centers as an example, traditional data centers need to use multi - stage AC/DC conversion to supply power to servers and other equipment, which has problems such as low conversion efficiency and high energy consumption. Using an intelligent DC micro - grid converter to directly supply DC power to data centers can greatly improve power supply efficiency and reduce energy consumption.
4. Interconnection of Micro - grid Clusters:
In a micro - grid cluster composed of multiple DC micro - grids, the intelligent DC micro - grid converter can realize the electrical energy interaction and coordinated control between micro - grids. Through the control of the converter, electrical energy can be reasonably allocated according to the power requirements and power generation conditions of each micro - grid, achieving the optimal allocation of resources. For example, in a large - scale energy system composed of multiple park micro - grids, the intelligent DC micro - grid converter can allocate the surplus electrical energy in different park micro - grids to improve the energy utilization efficiency of the entire system.
5. Emergency Power Supply Support:
In some places with high requirements for power supply reliability, such as hospitals, banks, and communication base stations, the intelligent DC micro - grid converter can be an important part of the emergency power supply system. When there is a fault or power outage in the external power grid, the converter can quickly convert the electrical energy from energy storage batteries or backup power generation equipment into DC power suitable for the loads, ensuring the normal operation of key equipment and providing strong support for emergency rescue and restoration work.
6. Industrial Automation Systems:
In the industrial production process, many devices such as motors, frequency converters, and PLCs require DC power. The intelligent DC micro - grid converter can provide stable and efficient DC power supply for these devices and at the same time achieve precise control and monitoring of the devices. For example, in an automated production line, using the intelligent DC micro - grid converter to supply DC power to the motor driver can achieve precise speed regulation and energy - saving operation of the motor, improving production efficiency and product quality.
// FAQ
Q: What is the conversion efficiency of the intelligent DC micro-grid converter?
A: This product adopts an advanced topology structure and control algorithm. Under full-load operating conditions, the conversion efficiency can reach over 98%, effectively reducing electrical energy losses and improving energy utilization efficiency.
Q: What types of distributed power sources can the product be adapted to?
A: It supports the connection of various distributed power sources such as photovoltaic power, wind power, and fuel cells. It can automatically adjust the output according to the characteristics of different power sources to ensure stable grid connection.
Q: Does it support remote monitoring and control?
A: It is equipped with an intelligent management system and supports remote real-time monitoring, parameter adjustment, and fault warning through a cloud platform or mobile terminal.
