ALSTOM ALSPA MV1000 High Performance Low Voltage Inverter

ALSTOM ALSPA MV1000 High Performance Low Voltage Inverter

Product positioning and core values

Brand and Series: The ALSPA MV1000 frequency converter under Alstom Power Conversion is a universal drive product and a low-power supplement to Alstom's classic ALSPA MD2000 series. The two share the same software and user interface, achieving unified drive technology across the full power range of 0.75 kW to 4500 kW.

Power and Performance: Covering a power range of 0.75 kW to 45 kW, this is a high-performance, low loss variable frequency speed regulation unit that uses chip integrated magnetic field orientation control technology to support operation with/without encoders, greatly improving control dynamics and accuracy.

Core advantages: Reduce capital investment and operating costs, improve production efficiency, quality, and flexibility through optimized process control; Adopting user oriented universal software to reduce project design costs, industry-specific application software can be customized through LogiCAD tools; The product has passed DIN EN ISO 9001 quality certification, with a compact design combined with high quality control to ensure high availability and reliability.

Environmental Protection and Compliance: Choose recyclable and environmentally friendly materials, and design that balances economy and ecology; Compliant with international electromagnetic compatibility standards IEC 61800-3/EN 61800-3 (industrial/public power grid), anti-interference standard EN 50082-2, certified by UL and CSA, with CE mark (compliant with EU Low Voltage Directive 73/23 EWG 1995).

Core performance parameters

1. Basic electrical parameters

Technical indicators of the project

Main power supply 3AC 380V-15%~480V+10%; DC 537V-15%~678V+10% (star point grounded grid); IT power grid can be customized

Grid frequency 45~65 Hz

The power factor is set at λ -N=0.90 (inductive); cosφ₁>0.95

Overload capacity of 150% rated current, lasting for 60 seconds (load cycle 1:10 or 600 seconds)

Output voltage 3AC 0 V~Input voltage

Output frequency 0~400 Hz

Minimum operating frequency with encoder 0 Hz; without encoder 0.5 Hz

Encoder input maximum 500 kHz, 2 channels+complementary, adjustable number of lines

Rated point efficiency>0.97

2. Control accuracy and dynamic performance

Speed range: without encoder 1:100 (electric mode)/1:20 (power generation mode); Equipped with encoder * *>1:1000**

Speed regulation accuracy: without encoder * * ± 0.5%; Equipped with encoder and digital reference preset ± 0.2%**

Torque rise time: 2~8 ms (with/without encoder speed control)

Frequency control accuracy:<0.02%

3. Product model and machine base specifications

Power model parameters: There are a total of 10 models, covering 0.75~45kW. The core parameters are as follows (key excerpts):

|Model | Motor power (kW) | 400V rated current (A) | 60s maximum current (A) | Machine base number | Order number (029.)|

| MV1003 | 0.75 | 2.5 | 3.8 | 1 | 203 397 |

| MV1013 | 5.5 | 13.0 | 19.5 | 3 | 203 400 |

| MV1032 | 15.0 | 32.0 | 48.0 | 4 | 203 403 |

| MV1089 | 45.0 | 89.0 | 133.5 | 5 | 203 406 |

Physical specifications of the machine base: There are a total of 5 machine base sizes, with the following dimensions and weights:

|Machine base number | Size (H × W × D, mm) | Weight (kg)|

| 1 | 350×78×250 | 3.5 |

| 3 | 350×135×250 | 7.5 |

| 5 | 591×340×285 | 36.5 |

4. Environmental and protective parameters

Protection level: standard IP20; Installation through wall IP41; Cold plate version IP54 (optional)

Cooling method: MV1004 and above models use forced air cooling, while MV1003 uses natural cooling

Environmental temperature: working from 0 to+40 ℃ (rated at 2.5%/K when+50 ℃); Storage * * -25~+55 ℃**

Altitude: ＜ 1000 m (up to 4000 m, rated at 0.5%/100 m)

Relative humidity:<85% (28 ℃), condensation is strictly prohibited

Pollution level: Complies with DIN VDE 0110 Level 2

Core Control and Function

Control Structure: Comes standard with 5 freely configurable control structures, including VVVF frequency control, speed control with/without encoder, and torque control with/without encoder.

Key operational functions:

Support four quadrant operation, which can be achieved through DC braking, braking chopper, common DC bus or grid regeneration;

Practical functions: synchronous restart (capturing no torque impact of rotating motors), power grid fault regeneration ride through, automatic restart after power grid fault (adjustable from 0 to 10 seconds);

Speed regulation function: 4 sets of fixed speeds, 3 sets of programmable frequency hopping with hysteresis, and 3 sets of parameter switching;

Energy saving function: Economic operation mode, reduces power and noise under light load.

Hardware input and output: using a conventional terminal block interface with potential isolation, parameters can be freely configured:

6 digital inputs (5 configurable), 4 digital message outputs;

2-channel scalable analog reference input (differential, -10~+10V, 1-channel can be set to 0/4~20mA);

2-channel adjustable scaling analog output (-10~+10V);

Incremental encoder input, motor PTC connection (for alarm/shutdown).

Diagnosis and monitoring: equipped with comprehensive testing and diagnostic functions, including event logs and fault logs with time information; Paired with PC driver software, oscilloscope function can be achieved, while recording 4 analog channels and 8 digital channels, with a sampling time of 1 ms.

Operation, debugging, and communication

Local operation panel

Design: Snap on installation, intelligent type, 2-line LCD plaintext display, supports multiple languages, equipped with 4 run/stop/potentiometer keys, 4 parameter adjustment/status viewing cursor keys;

Function: It can save and copy parameter sets to other MV1000 devices, display operation status through LED indicator lights, and have a clear menu structure.

PC software (ALSPAPCS)

Operating environment: Microsoft ®  Windows ™， Can replace the operation panel or fieldbus coupler;

Core functions: Guided debugging, operation guidance, real-time monitoring, fault diagnosis; Oscilloscope data can be saved, accessed, printed, and annotated; Batch saving of parameter sets and distribution to multiple devices, significantly reducing system debugging time; Support monitoring/controlling multiple devices simultaneously through a serial interface.

communication interface

Standard interfaces: CAN-BUS interface (compatible with CAL/CANopen), conventional terminal block, PC serial interface;

Optional interfaces: FIP, Profibus DP, Interbus S, Modbus Plus, Bitbus fieldbus coupler, all 75 × 62 × 52mm, weighing 0.2kg;

Expansion: Supports CANopen components (PC interface, mini PLC, I/O) without the need for external power supply.

Optional Accessories and Function Description

The product offers a wide range of optional accessories, covering four major categories: electrical, control, power, and cable. The core accessories and functions are as follows:

Reactor/Filter/Magnetic Ring

Power reactor: reduces harmonic content, limits grid feedback effect (in accordance with EN 50178), and is essential for operation;

Power filter: equipped with ferrite magnetic rings to meet EN 55011 A/B level radiation interference standards, essential for the operation of public power grids;

Ferrite magnetic ring: installed at the output end of the frequency converter to reduce high-frequency radiation interference of the motor cable;

Motor reactor/filter: The motor filter limits the rise rate of the inverter output voltage (<1000V/μ s), protects the motor insulation, and is recommended for old motors; Motor reactors are suitable for shielded cables over 100m or multi motor group drives.

power module

Braking module (BM12): including braking resistor, peak braking power of 12 kW, continuous 100 W, duty cycle of 0.5%/500 s, suitable for short-term braking;

Brake chopper (BC32): No braking resistor, peak braking power of 32 kW, continuous 19 kW, duty cycle of 1%/100 min, suitable for frequent/continuous braking, requires external braking resistor;

Power supply/regeneration module (PS12/24/45): realizes energy feedback and common DC bus power supply, adapts to 12/24/45A grid current, without the need to configure power reactors/filters for the frequency converter.

Control and cable accessories: operation panel, panel door kit, PC interface (RS232/RS422), 2m 9-pin data cable, various types of fieldbus couplers; Simultaneously provide multilingual operation manuals (German/English/French).

Application scenarios

Drive system: suitable for single motor and multi motor drive systems, can achieve multi machine power transmission through a common DC bus, reducing total power demand;

Industry adaptation: Customized development of technology related application software and LogiCAD to meet the personalized needs of various industrial branches;

Operation mode: Supports global configuration with grid voltage of 380-480V, suitable for industrial scenarios that require four quadrant operation, precise speed/torque control, and energy-saving speed regulation, such as fans, pumps, conveyors, machine tools, etc.