Преобразователь частоты PI7800

PI7800 series frequency inverter is a newly -updated product meeting the market requirement. with advanced space voltage vector. SPWM control technology, high-powered IGBT and DSP chip. Built-in current control-loop, achieve high-accuracy closed loop control. Reaches high accuracy requirement on output voltage & frequency. Also brand-new production craft and perfect testing equipments, which ensure the high working stability,PI7800 inverter will offer you better motor control solution. (1)Brand-new software & hardware design (2)Excellent feature upgrade (3)Higher quality insurance (4)Fashionable industrialized appearance (5)DSP-base IGBT, achieve high-efficiency & high-powered control (6)V/F,V/F+PG, vector +PG—3 control functions (7)3 types of space voltage vector Wave produce mode (8)Dead zone compensation function, achieves low frequency high power output (9)Automatic slip compensation (10)10 methods to set frequency. imitation terminals can accept user defined signal with in 0-10V,0-20A. (11)Maximum 7 sections speed and 8 sections acceleration control. (12)6 programmable output control terminals (13)Build-in PID control function, achieves high-powered close loop control. (14)Supports 0-10V,1-5V,0-20Ma,4-20mA return signal. (15)PID based DC brake. (16)Speed pursue starting and restart after momentary power loss (17)Strong communication function, supports standard RS485 and Can Bus, remote keyboard input function as well. (18)Human-based display list, LCD display with LED, displays 3 status parameter in the mean time. (19)Particular IGBT temperature rise supervising function, adjusts the fan, and reduce the motor noise and temperature rise duly. (20)High-efficiency failure checking and recording function, facilitates removal of fault. (21)Parameter protect function (22)Unique design to reduce the pollution to power Industry Application Steel: converter trending, lance lifting, crystal concussion, rollgang of cold machine, automatically charging of electric arc stove, Port: bucket coal-whipper, shock absorption for oil dock screw pump, bridge lifting device… Municipal administration: Boiler system, central air conditioner system, sewage disposal, water supply and drainage engineering… Coal mine: Main fan blower in the entrance of mine, gas concemtration control in mine, heavy medium in coal washery… Chemical industry: chemical reaction heating calcination furnace, filter separator, first ammonia pump… Textile: scale linkage, mucilage glue filature, braiding machine, printing machine… Oil field: offshore platform oil electric pump, pump jack, oil converying system Machine: food machinery, packing machinery, printing machinery, frequency converter air conditioner, plastic machinery… Electric power: boiler mill exhauster, boiler system, coal transportation… Pharmacy: fermentation tank control, stirring control, conrrelative blower and bump control…