250KW Solar Inverter 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: How does the harmonic distortion affect the performance of a solar inverter?
- Harmonic distortion affects the performance of a solar inverter by introducing unwanted frequencies and distortion in the output waveform. This can lead to reduced efficiency, increased power losses, and potential damage to connected electrical devices. It can also cause electromagnetic interference and compatibility issues with the utility grid or other connected systems. Therefore, minimizing harmonic distortion is crucial to ensure optimal performance and reliable operation of a solar inverter.
- Q: What is the role of a solar inverter in preventing electrical faults?
- The role of a solar inverter in preventing electrical faults is to convert the direct current (DC) generated by solar panels into alternating current (AC) that can be used by appliances and the electrical grid. By regulating and controlling the flow of electricity, a solar inverter ensures that the voltage and frequency levels are within acceptable limits, preventing overloading, overheating, and electrical faults that could potentially damage the system or cause safety hazards.
- Q: Can a solar inverter be used with a solar-powered CCTV system?
- Yes, a solar inverter can be used with a solar-powered CCTV system. A solar inverter is responsible for converting the direct current (DC) produced by solar panels into alternating current (AC) that can be used to power electrical devices. In the case of a solar-powered CCTV system, the solar inverter can convert the DC power generated by the solar panels into the AC power required to run the CCTV system, ensuring it functions properly.
- Q: What is the maximum power output of a residential solar inverter?
- The maximum power output of a residential solar inverter typically ranges between 1 kW to 10 kW, depending on the size and capacity of the system.
- Q: Can a solar inverter be used with a solar-powered agricultural irrigation system?
- Yes, a solar inverter can be used with a solar-powered agricultural irrigation system. A solar inverter is responsible for converting the direct current (DC) electricity generated by solar panels into alternating current (AC) electricity that can be used to power various devices and systems, including irrigation systems. By connecting a solar inverter to the solar panels within an agricultural irrigation system, the generated solar energy can be efficiently utilized to power the irrigation pumps and other components, enabling a sustainable and environmentally-friendly solution for agricultural irrigation.
- Q: Can a solar inverter be connected to a backup battery system?
- Yes, a solar inverter can be connected to a backup battery system. This allows the excess solar energy generated during the day to be stored in the backup battery system for later use during times when there is no sunlight available, such as at night or during power outages.
- Q: How does a solar inverter convert DC to AC power?
- A solar inverter converts DC (direct current) power generated by solar panels into AC (alternating current) power that is compatible with household and grid electricity. It does this by utilizing electronic components such as transistors and capacitors to convert the fixed voltage and current of DC power into a fluctuating form that resembles the waveform of AC power. The inverter then boosts the voltage to the desired level and synchronizes the frequency of the AC power with the grid's frequency before feeding it into the electrical system.
- Q: What is the maximum operating temperature of a solar inverter?
- The maximum operating temperature of a solar inverter typically ranges between 40 to 50 degrees Celsius, depending on the specific model and manufacturer.
- Q: Can a solar inverter be connected to a battery backup system?
- Yes, a solar inverter can be connected to a battery backup system. This allows the solar power generated during the day to be stored in the batteries and used during times when there is no sunlight or during power outages.
- Q: How do you calculate the total power capacity for a solar inverter?
- To calculate the total power capacity for a solar inverter, you need to consider the maximum power output of the solar panels connected to it. The total power capacity of the inverter should be equal to or greater than the total maximum power output of all the solar panels combined. This ensures that the inverter can handle the maximum power generated by the solar panels and efficiently convert it into usable electricity.
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250KW Solar Inverter 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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