Photovoltaic Grid-Connected Inverter SG630MX-E Solar Inverter
- Ref Price:
-
$30,000.00 - 40,000.00
/ unit
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 unit
- Supply Capability:
- 1000 unit/month
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1. Structure of Photovoltaic Grid-Connected Inverter SG630MX-E 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, Australia and Europe.
2. Main Features of the Photovoltaic Grid-Connected Inverter SG630MX-E
• LVRT (Zero-voltage Ride-through)
• Active power continuously adjustable (0~100%)
• Reactive power control with power factor from 0.9 lagging to 0.9 leading
• DC input voltage up to 1000V
• Latest 32 bit DSP chip, advanced digital lock-in technique, more quickly and precisely
• -30℃~＋55℃ continuously operating at rated power
• Continuously and stably working in high altitude environment
• Auxiliary heater (Optional)
3. Photovoltaic Grid-Connected Inverter SG630MX-E Images
4. Photovoltaic Grid-Connected Inverter SG630MX-E Specification
Input Side Data | |
Max. PV input power | 713KW |
Max. PV input voltage | 1000V |
Startup voltage | 635V |
Min. operation voltage | 615V |
Max. PV input current | 1160A |
MPP voltage range | 615~850V |
No. of DC inputs | 8 |
Output Side Data | |
Nominal AC output power | 630kVA |
Max. AC output apparent power | 700KVA |
Max. AC output current | 1010A |
THD | < 3 % (Nominal power) |
Nominal AC voltage | 400V |
AC voltage range | 320V~460V |
Nominal grid frequency | 50/60Hz |
Grid frequency range | 47~52/57~62Hz |
Power factor | >0.99@default value at nominal power, (adj. 0.9 overexited ~0.9 underexited) |
Isolated transformer | No |
DC current injection | <0.5 %In |
Efficiency | |
Max. efficiency | 98.60% |
Max. European efficiency | 98.50% |
Protection | |
Input side disconnection device | DC load switch |
Output side disconnection device | AC load Switch |
DC overvoltage protection | Yes |
AC overvoltage protection | Yes |
Grid monitoring | Yes |
Ground fault monitoring | Yes |
Over temperature protection | Yes |
Insulation monitoring | Yes |
Surge arrester for auxiliary supply | Yes |
General Data | |
Dimensions（W×H×D） | 1606×2304×860mm |
Weight | 1700kg |
Operating ambient temperature range | -30~65℃(＞55℃ derating) |
Night power consumption | <100W |
External auxiliary supply voltage | 400V |
Cooling method | Temperature controlled air-cooling |
Ingress protection rating | IP21 |
Allowable relative humidity range | 0~95% no condensing |
Max. operating altitude | 6000m (＞3000m derating) |
Fresh air consumption | 4500 m3/h |
Display | Colored touch screen |
Communication | RS485/Modbus, Ethernet(Opt.) |
5. FAQ of Photovoltaic Grid-Connected Inverter SG630MX-E
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:What is the importance of insulation resistance measurement in a solar inverter?
- Insulation resistance measurement in a solar inverter is crucial as it helps ensure the safety and efficiency of the electrical system. By measuring the insulation resistance, any potential faults or deteriorations in the insulation can be detected, preventing electrical leakage or short circuits. This measurement also helps identify any insulation breakdowns that may compromise the performance and reliability of the solar inverter. Ultimately, insulation resistance measurement is essential for maintaining the integrity of the solar inverter and ensuring the safety of both the electrical system and the people using it.
- Q:How does a solar inverter handle power quality disturbances?
- A solar inverter handles power quality disturbances by continuously monitoring the electrical grid and adjusting its output accordingly. It employs various techniques such as voltage regulation, frequency control, and power factor correction to ensure that the power it feeds into the grid is of high quality and meets the required standards. Additionally, some advanced solar inverters also have built-in features like anti-islanding protection to prevent the injection of power into the grid during a disturbance, ensuring the safety of both the solar system and the grid.
- Q:How does a solar inverter synchronize with the grid?
- A solar inverter synchronizes with the grid by constantly monitoring the grid's frequency and voltage. It adjusts its own output frequency and voltage to match the grid's, ensuring that the solar energy it produces is in sync with the electricity supplied by the grid. This synchronization process allows the solar inverter to safely and efficiently inject solar power into the grid, while also allowing for seamless transition between solar and grid power.
- Q:Can a solar inverter be used with different types of power conditioning units?
- Yes, a solar inverter can be used with different types of power conditioning units. Solar inverters are designed to convert the DC power generated by solar panels into AC power that can be used by various electrical devices. They can be compatible with different types of power conditioning units, such as battery storage systems or grid-tied inverters, depending on the specific requirements and setup of the solar power system.
- Q:What are the common issues and troubleshooting steps for a solar inverter?
- Some common issues with solar inverters include no power output, low power output, display or communication errors, and overheating. Troubleshooting steps for these issues may involve checking the input voltage and connections, inspecting the DC and AC cables for damage, resetting the inverter, updating firmware or software, ensuring proper ventilation and cooling, and contacting technical support if necessary.
- Q:What is the role of a solar inverter in voltage and frequency regulation during islanding conditions?
- The solar inverter plays a crucial role in maintaining voltage and frequency regulation during islanding conditions. Islanding conditions occur when a distributed generation system, like a solar PV system, continues to supply power to a local area even when the main electrical grid is disconnected. In grid-connected mode, the solar inverter synchronizes its output voltage and frequency with the utility grid. However, during islanding conditions, it must transition into a standalone mode and take responsibility for regulating voltage and frequency within the isolated microgrid. The primary function of the solar inverter in islanding conditions is to ensure that the voltage and frequency of the generated electricity remain within acceptable limits. To achieve this, it constantly monitors the electrical parameters and adjusts its own output accordingly. To regulate voltage, the solar inverter adjusts its output voltage based on demand and the available power from the solar panels. It maintains a steady voltage level within a specified range, typically around 230-240 volts for residential applications. Equally important is frequency regulation, which ensures that the electrical devices connected to the microgrid operate at their designed frequency, usually 50 or 60 Hz. The solar inverter continuously monitors the frequency and adjusts its output to match the required frequency, minimizing fluctuations and maintaining stability. Apart from voltage and frequency regulation, the solar inverter also performs other crucial functions during islanding conditions. These include power quality control, protection against overvoltage and overcurrent, and safe disconnection in emergencies or during grid restoration. Overall, the solar inverter's role in voltage and frequency regulation during islanding conditions is critical for maintaining a stable and reliable power supply within the isolated microgrid. It ensures that the electricity generated by the solar PV system remains within acceptable parameters, enabling connected electrical devices to operate efficiently and safely.
- Q:What is the role of a power backup system in a solar inverter?
- The role of a power backup system in a solar inverter is to provide a reliable source of electricity during periods of power outages or when there is insufficient sunlight to generate solar energy. It ensures uninterrupted power supply to critical loads or appliances, ensuring continuous operation and minimizing disruptions. This backup system typically consists of batteries that store excess solar energy for later use, allowing the solar inverter to draw power from them when needed.
- Q:Can a solar inverter be used with energy storage systems?
- Yes, a solar inverter can be used with energy storage systems. In fact, solar inverters are often used in conjunction with energy storage systems to convert the direct current (DC) energy generated by solar panels into alternating current (AC) energy for use in homes or businesses, while also charging and discharging energy from the storage system as needed. This allows for greater flexibility and efficiency in managing and utilizing solar energy.
- Q:How does a solar inverter handle voltage fluctuations?
- A solar inverter handles voltage fluctuations by continuously monitoring the input voltage from the solar panels. When there is a fluctuation in the input voltage, the inverter adjusts its internal circuitry to ensure a stable and consistent output voltage. This helps protect the connected appliances and grid from potential damage caused by sudden voltage changes.
- Q:Can a solar inverter be upgraded or expanded in the future?
- Yes, a solar inverter can be upgraded or expanded in the future. Upgrading or expanding a solar inverter typically involves adding additional capacity or features to the existing system. This can be done by adding more panels, batteries, or upgrading the inverter itself to accommodate increased power output. However, it is important to ensure compatibility and consult with a professional to assess the feasibility and requirements of any upgrades or expansions.
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Photovoltaic Grid-Connected Inverter SG630MX-E Solar Inverter
- Ref Price:
-
$30,000.00 - 40,000.00
/ unit
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 unit
- Supply Capability:
- 1000 unit/month
OKorder Service Pledge
OKorder Financial Service
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