Photovoltaic Grid-Connected Inverter SG40KTL
- Ref Price:
-
$3,310.00 - 5,500.00
/ unit
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 unit
- Supply Capability:
- 10000 unit/month
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1. Structure of Photovoltaic Grid-Connected Inverter SG40KTL 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, Africa and Europe. Available for hand installation, no need for lifting machinery
assistance.
2. Main Features of the Photovoltaic Grid-Connected Inverter SG40KTL
• Full 36kW effective power at power factor of 0.9 due to apparent power reserves up to 39.8kVA
• Max. Efficiency at 98.3%
• Dual MPP trackers control
• Reduced cabling on AC side due to higher output voltage of 480Vac
• Integrated combiner box: 8 x MC4 connector pairs with DC string fuses, Type II overvoltage protection and DC switch, more safety and lower the system cost
• Can be wall-mounted without lifting equipment, weight 65 kg
• Active power continuously adjustable (0~100%)
• Reactive power control with power factor 0.8 overexcited ~ 0.8 underexcited
• Includes RS-485 interface, compatible with all common monitoring systems
• Product certification: TÜV, BDEW and CGC
• Manufacturer certification: ISO 9001, ISO 14001, OHSAS 18000
3. Photovoltaic Grid-Connected Inverter SG40KTL Images
4. Photovoltaic Grid-Connected Inverter SG40KTL Specification
Input Side Data | |
Max. PV input power | 40500W |
Max. PV input voltage | 1000V |
Startup voltage | 300V |
Nominal input voltage | 710V |
MPP voltage range | 280~950V |
MPP voltage range for nominal power | 560~800V |
No. of MPPTs | 2 |
Max. number of PV strings per MPPT | 4 |
Max. PV input current | 66A(33A/33A) |
Max. current for input connector | 12A |
Output Side Data | |
Nominal AC output power | 36000W |
Max AC output power（PF=1） | 39800W |
Max. AC output apparent power | 39800VA |
Max. AC output current | 48A |
Nominal AC voltage | 3/N/PE, 277/480Vac or 3/PE, 480Vac |
AC voltage range | 422~528Vac |
Nominal grid frequency | 50Hz/60Hz |
Grid frequency range | 45~55Hz/55~ 65Hz |
THD | < 3 % (Nominal power) |
DC current injection | <0.5 %In |
Power factor | >0.99@default value at nominal power |
(adj. 0.8overexcited ~0.8underexited) | |
Protection | |
Anti-islanding protection | Yes |
LVRT | Yes |
DC reverse connection protection | Yes |
AC short circuit protection | Yes |
Leakage current protection | Yes |
DC switch | Yes |
DC fuse | Yes |
Overvoltage protection | DC Type II DIN rail surge arrester(40KA) |
System Data | |
Max. efficiency | 98.30% |
Max. European efficiency | 98.00% |
Isolation method | Transformerless |
Ingress protection rating | IP65 |
Night power consumption | <1W |
Operating ambient temperature range | -25~60℃(>45℃ derating) |
Allowable relative humidity range | 0~100% |
Cooling method | Smart forced air cooling |
Max. operating altitude | 4000m (＞3000m derating) |
Display | Graphic LCD |
Communication | RS485（RJ45 connector） |
DC connection type | MC4 |
AC connection type | Screw Clamp terminal |
Certification | VDE0126-1-1, EN62109-1, EN62109-2,BDEW, |
CGC, NRS 097-2-1, GB/T 19964, UTE C15-712-1 | |
IEC 61683, IEC 60068-2, IEC61727, IEC62116, | |
IEC62109-1, IEC62109-2, EN50178, IEC62103, | |
EN61000-6-1, EN61000-6-2, EN61000-6-3, EN61000-6-4 | |
Mechanical Data | |
Dimensions（W×H×D） | 634×820×257mm |
Mounting method | Wall bracket |
Weight | 65kg |
5. FAQ of Photovoltaic Grid-Connected Inverter SG40KTL
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 used for commercial applications?
- Yes, a solar inverter can be used for commercial applications. Solar inverters are an essential component of commercial solar power systems, as they convert the direct current (DC) electricity generated by solar panels into alternating current (AC) electricity that can be used to power commercial buildings and equipment.
- Q:How does a solar inverter synchronize with the grid frequency?
- A solar inverter synchronizes with the grid frequency by continuously monitoring the frequency of the electrical power supplied by the grid. It adjusts its own output frequency to match the grid frequency using a built-in control mechanism. This synchronization ensures that the solar inverter's power is in phase with the grid power, allowing it to smoothly inject electricity into the grid without causing disruptions or power quality issues.
- Q:Are all solar inverters compatible with all solar panels?
- No, not all solar inverters are compatible with all solar panels. The compatibility between solar inverters and panels depends on various factors such as the voltage, current, and type of panels being used, as well as the specifications and requirements of the specific inverter model. It is important to ensure that the inverter is compatible with the specific type and configuration of solar panels being installed to ensure optimal performance and efficiency.
- Q:Can a solar inverter be used with a remote control system?
- Yes, a solar inverter can be used with a remote control system. Many modern solar inverters are equipped with built-in communication capabilities, such as Wi-Fi or Ethernet connectivity, which allows them to be remotely monitored and controlled. This enables users to adjust settings, monitor energy production, and receive real-time alerts or notifications through a remote control system.
- Q:Can a solar inverter be used with a backup power supply (UPS)?
- Yes, a solar inverter can be used with a backup power supply (UPS). The UPS can provide power during periods of low solar generation or in case of a grid outage, ensuring a continuous power supply.
- Q:What is the maximum voltage input for a solar inverter?
- The maximum voltage input for a solar inverter typically depends on the specific model and manufacturer. However, in general, most solar inverters have a maximum voltage input ranging from 600V to 1000V.
- Q:How does a solar inverter handle frequency fluctuations in the grid?
- A solar inverter handles frequency fluctuations in the grid by continuously monitoring the frequency of the grid and adjusting its output accordingly. If the grid frequency increases, the inverter reduces its output, and if the grid frequency decreases, the inverter increases its output. This helps to stabilize the grid frequency and maintain a balanced power supply.
- Q:What are the installation requirements for a solar inverter?
- The installation requirements for a solar inverter typically include a stable mounting surface, proper ventilation and clearance space, a compatible electrical connection, and compliance with local building codes and regulations. Additionally, the solar inverter should be installed in a location that receives adequate sunlight for efficient operation.
- Q:What is the role of a power control unit in a solar inverter?
- The role of a power control unit in a solar inverter is to regulate and control the flow of electricity from the solar panels to the electrical grid or to the connected load. It ensures efficient power conversion by managing voltage, current, and frequency, and provides protection against overvoltage, under voltage, and short circuits. Additionally, the power control unit may also include features like maximum power point tracking (MPPT) to optimize the energy output from the solar panels.
- Q:Can a solar inverter be used in a three-phase power system?
- Yes, a solar inverter can be used in a three-phase power system. In fact, there are specific types of solar inverters designed to work with three-phase power systems. These inverters are capable of converting the DC power generated by solar panels into AC power, which can be seamlessly integrated into the three-phase power grid.
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Photovoltaic Grid-Connected Inverter SG40KTL
- Ref Price:
-
$3,310.00 - 5,500.00
/ unit
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 unit
- Supply Capability:
- 10000 unit/month
OKorder Service Pledge
OKorder Financial Service
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