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: Can a solar inverter be used with a string inverter system?
- No, a solar inverter cannot be directly used with a string inverter system. A solar inverter converts the direct current (DC) generated by the solar panels into usable alternating current (AC) electricity. On the other hand, a string inverter manages the output of multiple solar panels connected in series, converting the DC power from the panels to AC power for the grid. These two types of inverters serve different functions and are not compatible with each other.
- Q: How does a solar inverter handle variations in ambient temperature?
- A solar inverter handles variations in ambient temperature by incorporating temperature compensation mechanisms. These mechanisms allow the inverter to adjust its operation and optimize performance based on the temperature conditions. By monitoring the temperature, the inverter can regulate voltage levels, adjust power outputs, and protect itself from overheating. This ensures that the inverter operates efficiently and reliably under different ambient temperature conditions.
- Q: Can a solar inverter be used in commercial or industrial applications?
- Yes, a solar inverter can be used in commercial or industrial applications. Solar inverters are designed to convert the direct current (DC) generated by solar panels into alternating current (AC) suitable for use in commercial or industrial settings. They are commonly used to power various electrical loads, machinery, and equipment in these sectors, helping to reduce energy costs and promote sustainability.
- Q: How does a solar inverter handle voltage dips or fluctuations in the grid?
- A solar inverter handles voltage dips or fluctuations in the grid by employing a technology known as Maximum Power Point Tracking (MPPT). MPPT allows the inverter to continuously monitor the grid voltage and adjust the solar panel's operating point to ensure maximum power generation. In the event of a voltage dip or fluctuation, the inverter rapidly responds by dynamically adjusting the output voltage and current to maintain a stable and consistent feed of electricity to the grid. This helps to stabilize the grid and prevent any potential damage to the solar panels or other connected devices.
- Q: Can a solar inverter be used with different grid voltages?
- No, a solar inverter cannot be used with different grid voltages. Solar inverters are designed to convert the DC power generated by solar panels into AC power that matches the voltage and frequency of the grid it is connected to. Using a solar inverter with different grid voltages can result in inefficient operation or even damage to the inverter. It is important to ensure that the solar inverter is compatible with the specific grid voltage before installation.
- Q: Can a solar inverter work during a power outage?
- No, a solar inverter cannot work during a power outage unless it is specifically designed with a backup power supply or battery storage system.
- Q: Can a solar inverter be used in commercial applications?
- Yes, a solar inverter can be used in commercial applications. Commercial buildings can install solar panels and connect them to a solar inverter, which converts the DC power generated by the panels into usable AC power for the building's electrical system. This allows commercial establishments to harness solar energy and reduce their reliance on traditional grid power sources, resulting in cost savings and environmental benefits.
- Q: Are solar inverters weather-resistant?
- Yes, solar inverters are typically weather-resistant. They are designed to withstand various weather conditions such as rain, snow, and extreme temperatures. However, it is important to note that prolonged exposure to harsh weather conditions could potentially affect their performance and lifespan. Regular maintenance and proper installation can help ensure their durability and longevity.
- Q: What is a solar inverter?
- A solar inverter is a device that converts the direct current (DC) electricity generated by solar panels into alternating current (AC) electricity that can be used to power household appliances and be fed back into the grid.
- Q: How does a solar inverter handle voltage stability in the grid?
- A solar inverter handles voltage stability in the grid by continuously monitoring the voltage levels and adjusting its output accordingly. It maintains a stable voltage by regulating the power output from the solar panels and injecting or absorbing reactive power as needed. This helps to stabilize the grid voltage and prevent fluctuations that can disrupt the operation of electrical devices and appliances connected to the grid.
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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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