Photovoltaic Grid-Connected Inverter SG750MX
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- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 unit
- Supply Capability:
- 1000 unit/month
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1. Structure of Photovoltaic Grid-Connected Inverter SG750MX Description
A solar inverter, or PV inverter, or Solar converter, converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into
autility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network.
It is acritical BOS–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar inverters have
special functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection.
Suitable for 50Hz/60Hz grid, could be used in Asia, North America and Europe.
2. Main Features of the Photovoltaic Grid-Connected Inverter SG750MX
• Transformerless inverter, max. efficiency of 98.7%, CEC efficiency of 98.5% for SG800MX,max. efficiency of 98.6%, CEC efficiency of 98.0% for SG750MX
• Employing a patented thermal management system, the inverter is able to operate from -13˚F to 140˚F (-25˚C to 60˚C), and up to 19,600’ (6,000 m).
• High power density, small equipment footprint
• DC disconnect, AC circuit breaker, separate DC & AC cabinets
• Max. DC input voltage is 1000V, can be mounted on a skid or an e-house, giving maximum design flexibility and lowering installation costs
• Continuous active power control
• Advanced grid support functionality, meet grid requirements around the world
• Full remote and local power curtailment, PF, HVRT, LVRT, FRT controls via ModBus & Ethernet
• Designed for 20+ years of operating life
• NEMA4X electronics cabinet
3. Photovoltaic Grid-Connected Inverter SG750MX Images
4. Photovoltaic Grid-Connected Inverter SG750MX Specification
Input Side Data |
|
Max. PV input power | 850kW |
Max. PV input voltage | 1000V |
Start voltage | 520V |
Min. operation voltage | 500V |
Max. PV input current | 1600A |
MPP voltage range | 500~820V |
No. of DC inputs | 1, 6-12 |
PV array configuration | Negative ground (standard), Floating or Positive Ground (optional) |
Output Side Data |
|
Nominal AC output power | 750kW |
Max. AC output apparent power | 825kVA |
Max. AC output current | 1512A |
THD | <3% (nominal power) |
Nominal AC voltage | 315V |
AC voltage range | 277~347Vac |
Nominal grid frequency | 50/60Hz |
Grid frequency range | 47~52Hz/57~63Hz |
Power factor | >0.99@default value at nominal power, adj. 0.8 overexcited~0.8 underexcited |
Isolated transformer | No |
DC current injection | <0.5 % In |
Efficiency |
|
Max. efficiency | 98.60% |
European efficiency | 98.30% |
CEC efficiency | 98.00% |
Protection |
|
Input side disconnection device | DC load switch |
Output side disconnection device | Breaker |
DC overvoltage protection | Yes |
AC overvoltage protection | Yes |
Grid monitoring | Yes |
Ground fault monitoring | Optional |
Over temperature protection | Yes |
Insulation monitoring | Optional |
General Data |
|
Dimensions（W×H×D） | 2598x2164x1000mm |
Weight | 2340kg |
Operating ambient temperature range | -25~+60℃(＞55℃ derating) |
Noise emission | <70dB |
Night power consumption | <100W |
External auxiliary supply voltage | 480/600V(3/N/PE) |
Cooling method | Temperature controlled air-cooling |
Ingress protection rating | NEMA 3R（IP54） |
Allowable relative humidity range | 0~95% no condensing |
Max. operating altitude | 6000m (＞3000m derating) |
Fresh air consumption | 4425 m³/h |
Display | LCD |
Communication | RS485/Modbus, Ethernet(Opt.) |
5. FAQ of Photovoltaic Grid-Connected Inverter SG750MX
Q1. What is the difference between inverter and solar inverter?
A1. Inverter only has AC inpput, but solar inverter both connect to AC input and solar panel, it saves more power.
Q2. What is the difference between MPPT&PWM?
A2. MPPT has higher efficiency, it can track the max power point and won't waste energy.
- Q: Can a solar inverter be connected to the grid?
- Yes, a solar inverter can be connected to the grid. In fact, this is one of the main purposes of a solar inverter – to convert the direct current (DC) electricity generated by solar panels into alternating current (AC) electricity that can be used in homes and businesses or fed back into the grid. Connecting a solar inverter to the grid allows for the utilization of solar energy while also providing the opportunity to sell excess power back to the grid, contributing to renewable energy generation and potentially offsetting electricity costs.
- Q: Are there any limitations on the number of solar panels that can be connected to a single inverter?
- The number of solar panels that can be connected to a single inverter is limited. Various factors, such as the inverter's power rating, the voltage and current ratings of the panels, and the system's configuration, determine the maximum number of panels that can be connected. In general, the inverter should be able to handle the combined power output of all the connected panels. If the panels generate more power than the inverter can handle, it can lead to inefficiencies, reduced performance, or damage to the inverter. Moreover, the panels' voltage and current ratings should be within the acceptable range of the inverter. If the panels exceed the inverter's safe limits, it can lead to overloading or malfunctioning. Furthermore, the configuration of the panels is also important in determining the limitations. Panels can be connected in series or parallel, each with its own requirements and limitations. The inverter must be compatible with the specific configuration used. To ensure proper functioning and optimal performance, it is advisable to refer to the manufacturer's guidelines and specifications for both the solar panels and the inverter. These guidelines provide information on the maximum number of panels that can be connected to a single inverter, as well as any other specific limitations or requirements to consider.
- Q: What is the role of a maximum power control feature in a solar inverter?
- The role of a maximum power control feature in a solar inverter is to optimize the energy output of the solar panels by constantly tracking the maximum power point (MPP) of the solar array. This feature adjusts the operating conditions of the inverter to ensure that it operates at the highest possible efficiency, maximizing the energy harvested from the solar panels and improving overall system performance.
- Q: What is the role of a solar inverter in preventing system downtime?
- The role of a solar inverter in preventing system downtime is crucial as it converts the direct current (DC) generated by solar panels into alternating current (AC) that can be used to power electrical devices. By regulating and stabilizing the electrical output, a solar inverter ensures that the system remains operational and prevents any potential disruptions or downtime. Additionally, modern solar inverters often come equipped with advanced features like monitoring capabilities, which allow for real-time identification and troubleshooting of any issues, further minimizing the risk of system downtime.
- Q: What are the advantages of using a three-phase solar inverter?
- The advantages of using a three-phase solar inverter include higher efficiency, improved power quality, and the ability to handle larger loads. Three-phase inverters distribute the power generated by solar panels more evenly across all three phases, resulting in balanced power output and reduced losses. This leads to increased overall system efficiency. Additionally, three-phase inverters offer better power quality, minimizing voltage fluctuations and harmonics, which can be beneficial for sensitive electronic equipment. Lastly, these inverters are capable of handling larger electrical loads, making them suitable for commercial and industrial applications.
- Q: What is the maximum current output of a solar inverter?
- The maximum current output of a solar inverter depends on various factors such as its power rating, design, and specifications. Typically, solar inverters have a maximum current output ranging from a few amperes to several hundred amperes, depending on the specific model and capacity.
- Q: How does a solar inverter handle voltage sag and swell?
- A solar inverter handles voltage sag and swell by continuously monitoring the input voltage from the solar panels and adjusting its output voltage accordingly. In the case of voltage sag, when the input voltage drops below a certain threshold, the inverter boosts the voltage to maintain a stable output. Similarly, in the case of voltage swell, when the input voltage exceeds a certain limit, the inverter reduces the voltage to prevent any damage to the connected devices. This process ensures that the solar inverter consistently provides a steady and safe electrical supply.
- Q: What is the difference between a central inverter and a string inverter?
- A central inverter is designed to convert the DC power generated by multiple solar panels into AC power at a central location. It usually handles larger power capacities and requires professional installation. On the other hand, a string inverter is installed near the solar panels and converts the DC power generated by a string or series of panels into AC power. It is typically used in smaller-scale solar installations and is easier to install and maintain.
- Q: What are the safety features of a solar inverter?
- The safety features of a solar inverter typically include surge protection, overvoltage protection, short circuit protection, ground fault detection, and overtemperature protection. These features help to prevent damage to the inverter and the electrical system, ensuring safe and reliable operation.
- Q: Can a solar inverter be used with smart home systems?
- Yes, a solar inverter can be used with smart home systems. Smart home systems are designed to integrate and control various devices and appliances, including solar inverters. By connecting the solar inverter to a smart home system, users can monitor and manage their solar energy production, track energy consumption, and optimize energy usage for maximum efficiency. This integration allows for greater control and automation of the solar power system within the smart home ecosystem.
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Photovoltaic Grid-Connected Inverter SG750MX
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 unit
- Supply Capability:
- 1000 unit/month
OKorder Service Pledge
OKorder Financial Service
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