ALSTOM ALSPA series drives

ALSTOM ALSPA series drives

Overall architecture of product family

Alstom ALSPA series transmission products are full scenario industrial transmission solutions launched in 2000-2001, covering four core categories: low-voltage AC, medium voltage AC, DC transmission, and soft starter. The power span ranges from 0.25kW to 50MW+, and the voltage is compatible with 220V-10kV multi-level power grids. They are compatible with various loads such as asynchronous motors and synchronous motors, and are widely used in industrial fields and service industries such as petroleum, chemical, cement, metallurgy, water treatment, and transportation. The product has the core advantages of high dynamic response, low harmonic pollution, and efficient energy utilization, and is equipped with comprehensive full life cycle services, including 24-hour telephone hotlines, emergency fault calls, remote diagnosis, maintenance contracts, spare parts supply, technical training, etc.

Detailed explanation of core product series

（1） Low voltage AC transmission (0.25kW-4500kW)

Product Model Power Range Core Features Control Methods Key Parameters

ALSPA MV500 0.25-15kW single/three-phase input, easy to install, only requires 10 basic parameters without encoder vector, VVVF overload 150%/1min, switch frequency 3/6/12kHz, protection IP20-IP54

ALSPA MV1000 0.75-45kW 5 configurable control structures, PLC redundant management with/without encoder speed/torque control efficiency>0.97, speed range 1:100 (without encoder)/>1:1000 (with encoder)

ALSPA MV3000 22-3600kW MicroCubicle ™ Compact design, DELTA modular expansion of magnetic flux vector, no encoder vector overload of 110% -150%/60s, output frequency of 0-200Hz, supports multi machine parallel connection

ALSPA MD2000 AEM 18.5-4500kW active energy management, energy bidirectional flow flux vector control power factor adjustable ± 1, harmonic distortion rate 3% -6%, 4-quadrant operation

MV500 series: featuring low cost and ease of use, can be installed without professional knowledge, supports RS485 communication, optional Profibus/DeviceNet fieldbus, suitable for general loads such as small pumps and fans.

MV1000 series: intelligent low-power transmission, built-in oscilloscope function (4 analog+8 digital channels), supports synchronous restart, grid fault ride through, standard CAN-BUS interface, optional multiple fieldbus couplers.

MV3000 series: modular design, 22-315kW for MicroCubic ™ Chassis type, 315kW-3.6MW DELTA modular (air-cooled 1.8MW/liquid cooled 3.6MW), equipped with Drive Data Manager ™ Human computer interface, supporting NoStop ™ Fault prediction function.

MD2000 AEM series: The core advantage is bidirectional energy management, which can achieve energy regeneration feedback to the grid and adapt to scenarios such as wind power and test benches that require energy recovery. The torque rise time is only 4ms, and the dynamic response is excellent.

（2） Medium voltage AC drive (0.5MW-50MW+)

Product model, power range, adaptation scenario, core parameters

ALSPA VDM 0.5-9MW/unit universal medium voltage scenario, capable of parallel extension voltage of 2.4-10kV, output frequency of 0-200Hz, speed regulation ratio of 1000:1

ALSPA CDM 5-13.5MW/unit current source inverter, short-circuit protection voltage 2.4-6.6kV, dv/dt ≤ 20V/µ s, power factor>0.97

SYNC HRODRIVE 500kW-50MW+synchronous motor control/starting speed ratio 20:1, torque response<20ms, supports soft start

CYCLODRIVE 800kW-50MW+low-speed high torque (rolling mill, ball mill) speed ratio 1000:1, 4-quadrant operation, supports weak magnetic expansion speed

Technical commonality: Both adopt 12 pulse rectification (optional 24 pulse), significantly reducing power grid harmonics; Support direct connection to 6kV/10kV power grid (without the need for output transformers); Equipped with comprehensive fault diagnosis and historical recording functions.

（3） DC drive (25A-1850A)

Product Model Operating Quadrant Current Range Core Features

ALSPA VNTC single quadrant 25-1850A 6-thyristor rectifier bridge, natural/forced air cooling, suitable for unidirectional loads

ALSPA WNTC four quadrant 25-1850A 12 thyristor back-to-back rectifier bridge, energy regeneration, speed regulation accuracy of 0.1%

Core advantages: Unrestricted by grid frequency, wide speed regulation range (1:1000), support for series parallel 12 pulse installation, excellent harmonic suppression; Built in magnetic flux controller (maximum 8A), with multiple protections such as phase loss, overcurrent, and magnetic field loss.

（4） Soft starter (19A-1000A)

Model: ALSPA DNTA

Core parameters: Suitable for voltage range of 220V-690V, current range of 19-1000A, supporting current limited startup and vector control startup (<3 times rated current)

Key functions: Pump load waterproof hammer deceleration, fan type adaptive starting current, crusher and other variable load adaptive control, motor thermal protection (PTC connection)

Communication: Standard configuration of Modbus/Jbus RS485, supporting linkage with PLC and monitoring PC

Core Technology and Performance Characteristics

control technology

Mainstream control methods: vector control (with/without encoder), VVVF control, torque control, position control, some high-end models support PID regulation, synchronous control, electronic cam and other functions.

Featured features: Multi speed preset (up to 16 segments), frequency hopping control (4 frequency hopping bands), automatic restart (up to 20 attempts), and power grid fault ride through.

Electrical performance

Overload capacity: It generally supports 150% rated current/60s (once every 10 minutes), and some medium voltage models support 110% continuous operation.

Speed regulation accuracy: ± 0.5% without encoder, ± 0.1% -0.2% with encoder, and up to ± 0.02% for medium voltage high-end models.

Energy efficiency: Low voltage models have rated point efficiency greater than 0.97, medium voltage models have rated point efficiency greater than 0.95, and MD2000 AEM series has energy regeneration efficiency greater than 98%.

Harmonic control: Through 12/24 pulse rectification and active front-end (AFE) technology, the harmonic distortion rate can be reduced to 3% -6%, in compliance with EN 61800-3 standard.

Communication and Interconnection

Standard communication: RS232/RS485, Modbus/Jbus protocol.

Optional fieldbus: Profibus DP, WorldFIP, Interbus S, DeviceNet, CANopen.

Remote access: Some models support web access (ALSPA P1200 Web), which can monitor the running status through a browser.

protection function

Motor protection: thermal protection, phase loss protection, unbalanced phase protection, overcurrent/overload protection, PTC temperature protection.

Equipment protection: overvoltage/undervoltage protection, ground fault protection, radiator overheating protection, communication fault protection, short circuit protection.

Environmental and Physical Specifications

Core parameters of the project

Working temperature 0-40 ℃ (with a decrease of 2% -2.5% for every 1 ℃ increase above 40 ℃)

Storage temperature -25 ℃ -+70 ℃

Relative humidity 5% -95% (non condensing)

Altitude ≤ 1000m (>1000m, with a decrease of 0.5% -1% for every 100m increase)

Protection level low voltage: IP20, IP41, IP54, IP65 (remote keyboard); Medium voltage: IP31-IP54

Low pressure cooling methods: natural air cooling, forced air cooling; Medium pressure: air-cooled (≤ 3MW), water-cooled (>3MW)