Central Grid Connected Solar Inverter CP 250kw

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Product Description:

Central grid connected Solar inverter CP 250kw

High conversion efficiency of 98.6% deliver more energy

Powerful grid management functions(including LVRT)

Active power continous adjustment adjustment(0-100%)

Reactive power adjustable, PF range 0.9leading-0.9lagging

Friendly touch monitoring interface, easy installation maintenance procedure

Design for max. ROI: newest generation IGBTs and advanced MPPT algorithms

Auxiliary electrical heating(optional)

Comprehensive protection for overvoltage,islanding,short-circuit,overload,overheat etc.

Certificate and approvals including CE,CGC,VDE0126,IEC62109,TUV etc.

Central Grid Connected Solar Inverter CP 250kw


Central Grid Connected Solar Inverter CP 250kw



Max. efficiency
MPPT efficiency


Output (AC)

Rated AC output power
Rated AC voltage
AC voltage range
Rated frequency
Frequency Range
Maximum Output Current
Power factor



DC disconnection device
AC disconnection device
DC overvoltage protection
AC overvoltage protection
Grid monitoring/Management
Ground monitoring
Over temperature protection
Insulation monitoring

DC circuit breaker
AC circuit breaker
Surge arrester type II
Surge arrester type II

General data

Dimension (W/H/D)
Operating Temperature Range
Relative Humidity
Degree of Protection
Noise Emission
Maximum Operating Altitude
Standby consumption
Communication Interface

1600/2080/850 mm
-25 °C ... +55 °C
IP 20
6000m(Derating over 3000m)
Air Forced
Low Frequency Transformer
Touch screen LCD
RS 485/ Ethernet




1. Have any design tool and how to use it?

Shine Design is the system design software just for inverters, It can conduct installers to figure out panel numbers for a system, panel numbers for each string, and which inverter model is suitable for the system. Moreover, it can print a design report after input all necessary parameters, can calculate DC/AC wire wastage, annual generation, etc.


2. Does the inverter have monitoring solutions for residential system?

For small rating system, we have wired two monitoring solution (ShineNet via RS232 or RS485). (a) Local wireless monitoring solution (ShineVision via RF module communication) (b) Global wireless monitoring solution (WIFI module via WIFI network)


3. Do you have free solution for monitoring?

ShineNet is an inverter monitoring software run in Windows XP, Windows Vista, Windows 7 operating system. It can monitor inverter via RS232 (or RS232 convert to USB cable) and RS485 wire connection. Customers can purchase the cable locally to get the inverter monitored, it is simple.

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Q:What are the methods of photovoltaic grid-connected inverter control
Inverter main circuit need to have a control circuit to achieve, generally have square wave and sine wave two control methods, square wave output inverter power supply circuit is simple, low cost, but low efficiency, harmonic components. Sine wave output is the development trend of the inverter, with the development of microelectronics technology, there are PWM function of the microprocessor has also come out, so the sine wave output inverter technology has matured.
Q:What is the difference between low voltage grid connection and medium voltage grid connection?
The difference is that the current at low voltage and the grid is large, the current is small when the voltage is small, followed by the low voltage crossing parameter setting problem (such as PV inverter integrated with inverter and low voltage crossing function, not all photovoltaic inverter
Q:Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
Grid-connected inverter can be operated locally through the LCD screen, or through remote monitoring with dedicated monitoring software.
Q:PV grid-connected inverter and independent inverter in the control of what is the difference
The independent inverter in the output voltage phase amplitude of the frequency control is initially set good. Independent inverter, you should refer to off-grid inverter, do not need to consider the grid situation.
Q:What is the difference between a PV grid-connected inverter and an off-grid inverter?
Offline generally need energy storage, not to send energy online. Power grid has no right to interfere.
Q:Installation and maintenance of photovoltaic grid - connected inverter
only when the local power sector permission by the professional and technical personnel to complete all the electrical connection before the inverter can be connected.
Q:What is the PV inverter starting voltage
sine wave becomes narrower and the voltage width in the center of the sine wave is widened and the switching element is always operated in a direction at a certain frequency in a half cycle, A pulse wave train (pseudo sine wave). Then let the pulse wave form a sine wave through a simple filter
Q:After the PV inverter, how to achieve the same period before the network?
When the voltage, frequency, phase does not meet the requirements, the automatic closing closing pulse.
Q:In a photovoltaic grid-connected project, the role of the inverter is to convert the voltage into AC 220V or 380V for the grid, since the transformer will raise the voltage again
Self-use, do you mean off-grid system? Or else? Europe and Sweden side of the grid project electricity situation is also self-use? If not for their own use or spontaneous use is not used up, sent to other places electricity, you need a transformer?
Q:Generally a large grid-connected photovoltaic power plant will have several inverters
Group is the use of a number of grid-connected inverter and grid-connected AC power grid, the advantage is the loss of small, low cost of the cable (because the PV cable is more expensive), eliminating the cost of the convergence box, and multiple

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