METAL-CLAD RECTIFIER SEMICONDUCTOR SUBSTATIONS KVPP

METAL-CLAD RECTIFIER SEMICONDUCTOR SUBSTATIONS KVPP

METAL-CLAD RECTIFIER SEMICONDUCTOR SUBSTATIONS KVPP Metal-Clad Rectifier Semiconductor Substations KVPP is meant for power supply of 230 V DC consumers, DC power supply of industrial plants workshops networks, including electric drive. Substation includes: • rectifier unit: - rectifier; - transformer; • cabinets with automatic equipment; • busbar bridges. TECHNICAL PARAMETERS OF KVPP METAL-CLAD RECTIFIER SEMICONDUCTOR SUBSTATIONS KVPP

RECTIFIER CONFIGURATION AND MAIN FEATURES Switching surge protection Power semiconductor devices are protected against internal and external switching surges. Diodes are protected against internal switching surges with RCcircuits and against external switching surges combined with RC- circuits and varistors. Power Diodes Pill power diodes manufactured by VISHAY (formerly International Rectifier) are applied. Contact Connections Stabilizing Power part of rectifier is manufactured applying maintenance-free contact connections. ▲Преобразовательная секция В-ТПЕД

The system is based on industrial controller PP70 (with colored HMI panel) providing each diode parameters monitoring in dynamic mode during operation of the rectifier. It also provides events logging, visualization of temperature distribution, voltage and other diode parameters, protection against rectifier and transformer overheating, protection against diodes breakdown, communication with SCADA system etc. Galvanic isolation boards provide protection against overvoltage with RC-circuits, supply information for diagnostics system controller analysis. KVPP includes the following transformer:...

Rectifiers are equipped with microprocessor control and diagnostics system. This system issues the following criteria information about state of each diode on visualization panel: “normal operation”, “parameters derating”, “breakdown”, as well as diodes temperature. Monitoring of each diode parameters is made dynamically, during rectifier operation. Diagnosis of the mentioned criteria can significantly increase the period of rectifier trouble-free operation. In case of diode parameters changing to critical for this circuit level, the power diode can be replaced without its breakdown. In case...

TECHNICAL PARAMETERS MAIN PARAMETERS OF RECTIFIERS METAL-CLAD RECTIFIER SEMICONDUCTOR SUBSTATIONS KVPP

OUTLINE DRAWING OF RECTIFIER busbar “plus” V-TPED-2.0k-230N zero rectification circuit busbar “minus” busbar “plus” bridge rectification circuit METAL-CLAD RECTIFIER SEMICONDUCTOR SUBSTAT

EXAMPLE OF DESIGN ARRANGEMENT KVPP Resistors unit Linear units cabinet Transformer RESIBLOC® 1000 "-230 V" For zero rectification circuit 1300 1412 As agreed with Customer Example of design arrangement of a single-unit substation KVPP-2,0k-230 with RESIBLOC 1000 transformer, rectifier V-TPED-2.0k-230N, with one linear units cabinet. Cable connection. Linear units cabinet with doublesided maintenance. METAL-CLAD RECTIFIER SEMICONDUCTOR SUBSTATIONS KV

V-TPED - XXX - 230X KVPP - XXXX - 230 XXXX rated output current: 1000, 1250, 2000, 4000 A; 230 rated output voltage, V. T feeding line current type: three-phase; P output current type: constant; D type of applied main semiconductor units of power circuit: diodes; XXX value of rated output current: 2.0 kA; 4.0 kA; 230 value of rated output voltage in volts; X rectification circuit: Alchevsk Iron and Steel Works (Alchevsk, Ukraine) 2006 Supply of 2 package Metal-Clad Rectifier Semiconductor Substations KVPP-4.0k-230: • Rectifier V-TPED - 4 units; • Linear units cabinet - 8 units. Magnitigorsk Iron...

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