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ชุดโซล่ามอนิเตอร์ Solar System Monitoring for WVC MPPT Grid Tie Inverters WVC-Modem สำหรับ Micro Grid Inverter
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อินเวอร์เตอร์ โซล่าเซลล์ (Inverter) หรือเรียกอีกอย่างหนึ่งว่า โซล่า อินเวอร์เตอร์ อินเวอร์เตอร์เป็นอุปกรณ์อิเล็กทรอนิกทางไฟฟ้าที่เป็นเครื่องมือในการเปลี่ยนไฟฟ้ากระแสสลับ (AC)ให้เป็นไฟฟ้ากระแสตรง(DC) แล้วต่อจากนั้นไฟฟ้ากระแสตรงที่ได้ก็จะถูกแปลงเป็นไฟฟ้ากระแสสลับที่สามารถควบคุมและปรับขนาดของแรงดันและความถี่ได้โดยการทำงานของอินเวอร์เตอร์
WVC System Power Line Filter
- Rated Output Current: 50A
- Rated Output Voltage: 80V-262V
- Max.Output Power: 12KW
Comprehensive description
KaiDeng WVC Modem is the important component of KaiDeng communication power generating system. According to the applied characteristics, we design a WVC Modem which can monitoring and manage of 100 pcs KaiDeng’s micro inverter. 100pcs micro inverter and one WVC Modem make a group. In the same group, micro inverters and WVC Modem must be installed in the same phase circuit, and install WVC-Filter behind inverter and Modem to prevent the communication interference between the different groups; WVC Modem’s standard interface is RS232 , If there are no RS232 interface on your computer you need to buy the USB To RS232 connector then use the USB port to communicate directly.
In the whole power system, WVC Modem system simple structure schemes like below: (detailed installation chart please see KaiDeng communication power generation system installation structure guide)
2.2 Equipment components
KaiDeng WVC Modem standard components including:
1. WVC Modem unit (Integrated switching power supply/power line/plug)
2. One RS232 serial connections
2.3 Installation
2.3.1 one WVC Modem(only one group)
When the micro inverters is less than or equal to 100pcs in generation system, we only need to install one WVC Modem. The installation is very simple, just need using the serial port to connect the WVC Modem and computer, then plugged in power. Of course, the first premise is your computer needs a serial port(If there are no RS232 interface on your computer you need to buy the USB To RS232 connector then use the USB port to communicate directly.). And the details installation like below:
1. Connect the serial port of the female contact of lunk to WVC Modem serial port and tighten the screw on both ends of the connections, show likes below:
2. Connect the serial port of the male contact of lunk to computer main chassis’s serial port and tighten the screw on both ends of the connections, show likes below:
3. Connect the power;
4. Finish installation of WVC Modem;
2.3.2 Installation ways of Multiple WVC Modem
If your system has more than one group of micro inverter , we need to choose USB TO RS232 adapter and USB concentrator. We need add one or more USB concentrators between WVC Modem and a computer. And use the USB TO RS232 adapter to connect the RS232 to USB concentrator. The function of concentrator is to make one USB can connect to several WVC Modems and they can work at the same time and do not interference each other. Below is the USB TO RS232 adapter and a concentrator of 4 serial ports, just as examples illustrate(It is not sepcial equipment for the WVC Modem,you can choose other devices with the same function.)
Multiple WVC Modems installation details as follows:
1. Connect WVC Modem though RS232 serial port line;
2. Add a USB TO RS232 adapter to the other terminal of the RS232 serial port line;
3. Connect the USB TO RE232 adapter to one port of the USB concentrator;
4. Repeat the 1,2,3 steps, to connect all the WVC Modem to USB concentrator;
5. Connect the USB concentrator to the PC USB port;
6. Set up the USB TO RS232 adapter drivers if needed;
7. Connect all the WVC Modem;
8. Multiple WVC Modem finished installation;
2.4 Kaideng WVC-Modem Instructions
KaiDeng WVC Modem will start to wrok after power on. WVC Modem is a communication and data trunking. There is no function keys on the Modem, we just need to keep it continuous power supply. Parts of operation order will automatically complete by WVC Modem and KaiDeng Monitoring System will manually or automatically complete the rest instructions. (Referring to KaiDeng Monitoring System Instructions)
The sequence of devices start and operation is the most important in KaiDeng Generation System, and details of the sequence please refer to section 2.4 of the manual.
2.5 System communication control flow chart
The devices of the new communicational PV generate system is like an organic whole that each related closely, we have designed a WVC Modem-based communicational PV generate system and reliable working process of data transmission. And here is the system communication control flow chart as follows:
2.6 Equipment reboot
It is simple to reboot KaiDeng WVC Modem:Turn WVC Modem power off, then wait for seconds to restore power supply;
2.7 Disconnect sequence
According to KaiDeng WVC Modem’ serial port connection, please DO NOT disconnect or install KaiDeng WVC Modem to keep the hardware safe when power on. Please refer to the following steps to disconnect:
1. Disconnect KaiDeng WVC Modem power plug;
2. Disconnect WVC Modem with serial port line;
3. Disconnect PC with serial port line;
4. WVC Modem disconnected complete;
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