......1．Prime Products and Production Status
......Prime products include large rectifier units and automatic monitoring system, power semiconductor devices, harmonic wave treatment and reactive-load compensation equipment, of this total, the large rectifier units are dominant and other products are for support .
......The production cycle is 6 months generally and the conventional technical services provided include pre-sale supervision training, technical exchange on product design, wire connection between control cabinet and rectification cabinet on the spot, debugging and running on the spot, after-sale emergency service, annual forum on applied technologies, etc.
......1.1 Rectifiers
......Specification and Model：four series of larger-power rectifiers, Z（K）E（H）S
......Main Usage：electrolytic and electrochemical industries, such as electrolytic aluminum, electrolytic copper, electrolytic zinc, electrolytic lead, ion film, sodium hydroxide, etc.
Performance：Control System-- PLC on the spot of rectification and PLC in the master control room (secure and reliable)
......Operating System--touch screen (visual and clear)
......Current Regulation--dual digital controllers for mutual warm standby (precise and stable current regulation)
......Relay Protection--low water pressure, high water temperature, overheated bridge arms, damaged silicon cells, blowing out, electric breakdown, isolation failure, etc; all equipment supporting the rectification cabinet can be monitored and operated through PLC.
......1.2 Automatic Rectification Control Systems
......ZZX-01，02：Integrated rectifier unit monitoring through PLC, and dedicated current regulation controller for transductor (touch screen and man-machine interface)
......KZX-01, 02：Integrated rectifier unit monitoring through PLC, and current regulation triggering through dual digital warm standby (touch screen and man-machine interface)
......ZX-100： IIntegrated monitoring through PLC, automatic current regulation and adjustment, smart control of pressure boosting and release, touch screen and man-machine interface.
......{The above products are applicable to electrochemistry and electrometallurgy rectification stations with 220kv voltage or below}
ZL-200：Hardware system -upper computer workstation, programmable controller and communication network
......Monitoring software - standard client/server structure, dual-computer and dual-network redundant warm standby
......The remote signaling, remote sensing, telecontrol and remote regulating of all rectifier units can be realized with computers and the upper computer workstations can complete all automatic control and monitoring works in rectification stations.
......(This system can be used for automatic rectification monitoring in all classes of electrochemistry and electrometallurgy rectification stations)
......1.3 Harmonic Wave Treatment Devices
......TBB3-110KV high-pressure shunt capacitor reactive compensation device：It is used for reactive compensation to the 3-110KV，50Hz triphase AC systems applied in the electrolytic aluminum industry, electrolysis dairy salt industry and other places demanding reactive compensation and the purpose is increasing the power factor, regulating the network voltage, reducing the line power losses, improving the power service quality and promoting the service efficiency of switch gears.
......TAL electric power wave filtering unit：It is applicable to passive smoothing devices that are used to absorb harmonic current and suppress harmonic wave near large and medium-sized power rectifier units in electrolysis and electrochemistry industries and places with harmonic current, and it can present low impedance toward certain higher harmonic current through precise coordination and combination of the electric capacity, reactive resistance and electric resistance, and it can be used for wave filtering and reactive compensation through parallel connection with harmonic source in service.
......1.4 Power Semiconductor Devices
......Common rectifying tube ZP
......5-3000A..300-5000V
......Fast thyristor KK
......5-5000A..300-5000V
......Common thyristor KP
......200-2000A..600-2400V
......Bidirectional thyristor KS
......300-500A..1000-1600V
......Rectifying tube module MDC
......55-90A..300-1600V
......Thyristor module MTC
......90-180A..600-1600V