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  • 700kW biogas generator set

  • Model:700GF-Z 700GF1-Z 700GF2-Z

    Size：6000×2200×2400mm(L×B×H)

    Rated voltage：400V 6300V 10500V

    Fuel type：Methane, landfill gas

    Weight：14500kg

    • DESCRIPTION
      The 700GF-Z biogas generator set developed and manufactured by our company can be widely applied to the biogas generated by various forms and raw materials fermentation for power generation, such as food production wastewater treatment, industrial organic wastewater treatment, livestock farm sewage treatment, landfill fermentation and so on. The unit adopts a new gas engine design concept, independently developed by our company, the use of ProE whole machine development system, Analysis of finite element strength, air flow and dynamic balance analysis technology, matching pressurization, speed regulation, pressure regulation, ignition and operation management system, into the national invention of combustion control, electric mixer and other technologies. The unit has the characteristics of high safety, high reliability, high thermal efficiency, high cost performance and automatic operation management.
       
      Basic parameters



      FEATURES
      High reliability: the main parts of the engine (such as the body, crankshaft, etc.) have passed the long-term test of the market, the structure is mature and the quality is reliable, and the special technology is used to deal with the dynamic balance test system on the surface of the key parts, so that the unit operation vibration is controlled at a lower level.
      Parts: imported mixer, German ignition system, American speed control system, Czech control module
      High load capacity:

       
      Adapt to concentration and pressure changes: the electronically controlled mixer can achieve concentration self-adaptation and rapid response, so that the generator set can adapt to the variable concentration of biogas and ensure stable power output. High stability pressure regulation system, can achieve low pressure (3kpa) intake, and ensure stable operation, through this technology, to ensure that the concentration, pressure drop regardless of brake, concentration, pressure spike does not appear major operating accidents.
      High degree of automation: the main control system is composed of imported unit controllers and 5-inch or 8-inch displays.

      Master control module
       
      (1) Set monitoring, control, regulation, protection in one of the generator set special controller, so that the unit can be connected to the grid operation, but also to run.
      (2) The main controller adopts modular design, and the expansion module CAN be added through CAN communication to meet the needs of collection and control of various parameters of the generator set. Through CAN communication, up to 32 units can be operated in parallel.
      (3) The unit can realize remote start and stop, automatic adjustment of active power and reactive power, automatic synchronization, to meet the needs of automatic units. Complete protection functions, there are engine overspeed, low oil pressure, high water temperature, high oil temperature engine protection, but also reverse power, overcurrent, undervoltage/overvoltage, underfrequency/overfrequency generator protection functions. Display: Complete display parameters to meet the needs of display, parameter setting, alarm, history and so on.



      Local control cabinet


      advantage
      Control system functions:
      Basic functions: start-stop control, air-fuel ratio control;
      Measurement protection: all unit parameters including cylinder temperature and exhaust temperature are measured, and engine protection is complete;
      Industrial control adaptation: control of all working conditions, including idle speed control, low load control, etc.
      Power management: flexible control of power generation;
      Network function: easy to build a large automatic power station, effectively improve the level of network management;
      Safety protection: the separation of strong and weak electricity is realized.
       
      Local monitoring cabinet:
      Including large ECU system, generator set controller IG-NTC, signal acquisition module, electronic speed regulation, display, DC power supply, etc., the unit control functions are all centralized in the cabinet. Each unit is equipped with one local monitoring cabinet, which is placed on the side of the unit.
      -- Unit start, speed regulation, automatic grid connection, power factor control, load loading and load shedding;
      -- Power measurement and display: U, I, Hz, kW, kVAr, kVA, PF, kWh, kVAhr;
      -- Alarm and protection: overload/short circuit, over voltage/under voltage, over frequency/under frequency, reverse power, high winding temperature, overspeed, etc.
      -- Collect various parameters of the unit: such as cylinder temperature, exhaust temperature, oil temperature, water temperature, oil pressure, speed, gas regulating valve opening, etc.
       
      Unit circuit breaker cabinet:
      Main switch selection of domestic top brand circuit breaker, with undercalender protection and line current four-stage protection: overload long delay, short circuit short delay, short circuit instantaneous and ground fault current protection.
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