ALSTOM ALSPA series frequency converter

Brand and Technical Background

Brand Subject: Alstom Power Conversion

Technical accumulation: With a century of experience in power conversion engineering, we are a leading global electrical engineering enterprise

R&D investment: 5% of industrial control revenue is invested annually in R&D, with a global R&D center established in Paris

Product brand: Unified use of ALSPA trademark for software and hardware products

core business

Power Electronic Conversion and Motor Transmission System

Automation process control in the electromechanical/electric heating industry

Process Engineering and System Modeling

Target industry

ALSPA transmission products cover seven core areas:

Metal production and processing

Ships and Marine Engineering

Oil and Natural Gas

Electrical energy conversion

Mining and Material Handling

Process industry

Industrial power system

Product power coverage

Low voltage standard transmission: 0.25kW~5MVA

Medium voltage transmission: 300kVA~100MVA

High power customized transmission: up to 300MVA

DC drive: 7.5kW~25MW

Low voltage AC transmission (core parameters)

Model, power range, voltage control method, typical application

MV500 0.25kW~15kW 220/380~480V VSI-2L small fan and pump

MV1000 0.75kW~45kW 380~480V Magnetic Flux Vector General Machinery

MV3000 18.5kW~315kW 380~690V vector/VVVF small and medium-sized system

MD2000 air-cooled ≤ 1500kW; water-cooled ≤ 3600kW 380~690V vector control high-power single machine

Double fed low voltage stator 0.5~3MVA 380~690V DFM wind power generation

DC drive products

LDCD：7.5kW~750kW， Suitable for low-voltage DC motors

VNTC/WNTC：1MW~5.4MW， Support grid feedback

CDL8000：1MW~25MW， Heavy duty anti short circuit, suitable for mines and crushers

Input voltage: 380V~10kV, maximum current 12000A

Medium voltage AC transmission (core parameters)

Model Topology Power Range Voltage Cooling

VDM5000 2-level VSI 1.4~7.2MVA 2.3~4.2kV air-cooled

VDM6000 multilevel VSI 0.3~8MVA 2.3~4.2kV air-cooled/water-cooled

VDM7000 NPC three-level 7-9.5MVA 3.3kV air-cooled

CDM8000 current source CSI 8.3~13.5MVA 10kV air-cooled

SD7000 LCI load converter 2~100MVA 1~10kV air-cooled/water-cooled

CL9000 cycle frequency converter 2~100MVA 1~5kV air-cooled/water-cooled

Customized specialized transmission

Provide solutions up to 300MVA for special scenarios:

CC/LCI: cyclic frequency conversion+load commutation, 2-20MVA

SsCc: Asynchronous cascading, rotor energy feedback, 5-20MVA

DFM-CC: Double fed motor drive, 50~300MVA, large power generation/industrial drive

Control System (PEC)

Core: New PEC power electronic controller family

Processor: 32-bit floating-point Pentium level, supports DSP

Programming: IEC 61131-3, Function Block Diagram

Bus: Profibus, Ethernet, Modbus, WorldFIP

Diagnosis: remote diagnosis, fault recording, data export

Additional business capabilities

power system

DC power supply/high current rectification: single bridge 60000A

AC variable frequency power supply: up to 100MVA

power quality

Static reactive power compensation: air-cooled 22MVAR, water-cooled 400MVAR

Active filtering, superconducting energy storage

Key questions and answers

Question: What are the power coverage range and technical advantages of ALSPA transmission products?

Answer: Power coverage ranges from 0.25kW to 300MVA, achieving full coverage from low-power standard machines to high-power customized transmissions; The core advantages include AEM2 active energy management, PEC unified control platform, multi-level topology, and dual air/water cooling solutions, with strong reliability under heavy loads.

Question: What are the core improvements of Alstom PEC controllers compared to traditional controllers?

Answer: It adopts a 32-bit floating-point processor and a unified hardware architecture, supports IEC 61131-3 standardized programming, is compatible with mainstream fieldbuses, has remote diagnosis, fault history recording, and a full range of transmission shared development tools, greatly reducing engineering and maintenance costs.

Question: What are the main heavy-duty scenarios and corresponding models of ALSPA medium voltage transmission?

Answer: Targeting scenarios such as mining lifting, ship propulsion, metallurgical rolling mills, large fans and pumps, pumped storage, traction power supply, etc; The main models are VDM series (universal), SD7000/CL9000 (100MVA ultra high power), CDM8000 (high-voltage current source).