China YASKAWA Medium VoltageDrives MV1000 Drive Supplier, Products

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China YASKAWA Medium VoltageDrives MV1000 Drive Supplier, Products

The MV1000 is a medium-voltage (MV) AC frequency converter that represents a significant leap forward in ease of application and installation. Thanks to Yaskawa Electric's Intelligent Harmonicâ„¢ technology input isolation transformer and the 9-level output (17 line-to-line) of the 4kV converter, virtually all the biggest challenges in traditional medium-voltage frequency converter applications are solved.

The MV1000 features a compact, integrated design with (optional) input switchgear, making it ideal for new or retrofit projects.

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Product Description

Overview

The YASKAWA MV1000 is a high-performance frequency converter designed specifically for medium- and high-voltage industrial applications. It focuses on speed control of general machinery such as fans, pumps, and compressors, as well as specialized heavy industrial equipment. It boasts high reliability, energy efficiency, and flexible adaptability.

Core Specifications and Power Supply Compatibility

Voltage and Power Range: Compatible with medium-voltage power supply standards, covering mainstream voltage levels such as 2.3kV, 4.16kV, and 6.6kV, with a power range of 160–2500kW, meeting diverse power requirements from large HVAC equipment to heavy industrial power equipment.
Topology and Efficiency: Employs a three-level NPC (neutral point clamping) topology design, resulting in an output waveform close to a sine wave, reducing harmonic interference to the motor. Rated efficiency reaches over 98%, and combined with vector control technology, it achieves wide-range, high-efficiency speed regulation, significantly reducing energy consumption.
Protection and Installation: The standard model has an IP21 protection rating, with an optional IP54 high-protection configuration, suitable for complex environments such as dust and humidity in industrial plants; supports wall-mounted and cabinet installation, with a compact structure that saves installation space.

Key Functions and Performance Advantages

Precise Speed Regulation and Control: Equipped with advanced vector control algorithms, the speed ratio can reach 1:100, maintaining stable torque output even at low speeds. Suitable for variable flow/pressure control of fans and pumps, as well as precise speed regulation of compressors, conveyors, and other equipment.
High Reliability Design: Employs a redundant cooling system and high-quality power devices to extend equipment lifespan; features multiple protection functions including overvoltage, overcurrent, overload, overheating, and grounding fault protection, automatically detecting faults and issuing alarms to reduce downtime risks.
Flexible Adaptability and Expansion: Supports multiple control modes such as V/f control, sensorless vector control, and sensored vector control, adaptable to asynchronous and synchronous motors; compatible with mainstream industrial communication protocols such as Modbus, PROFINET, and EtherNet/IP, allowing seamless integration into factory automation systems for convenient remote monitoring and centralized control.
Energy Saving and Operation & Maintenance Optimization: Built-in energy-saving operation mode automatically adjusts output power according to load changes, especially suitable for variable load scenarios such as fans and pumps, resulting in significant energy savings; equipped with an operational panel and fault diagnosis function, supporting parameter backup and recovery, simplifying operation and maintenance processes.

Typical Application Scenarios

General Industrial Sector: Large central air conditioning system fans, building water supply/drainage pumps, industrial boiler induced draft/forced draft fans, air compressors, and other general machinery.
Heavy Industrial Sector: Fans and pumps in the metallurgical industry, kiln tail fans and raw material conveying pumps in the cement industry, compressors and pipeline conveying pumps in the petrochemical industry, and other high-pressure, high-power equipment.
Instrumentation Sector: Aeration fans and water supply booster pumps in urban sewage treatment plants, auxiliary equipment in power plants (such as boiler feed pumps and circulating water pumps), and other scenarios requiring stable operation and energy-saving control.

Specifications

Item	Specification
Efficiency	97% or better (at rated motor speed, 100% load)
Power Factor	Minimum 0.95 lag (at motor rated speed, 100% Load)
HP/Output Voltage Ranges	200 - 2,750 HP @ 2.3 kV
	175 - 4,000 HP @ 3.3 kV
	300 - 12,000HP @ 4.16 kV
	350 - 8,000HP @ 6.6 kV
	700 - 16,000HP @ 11 kV
Cooling Method	Forced air-cooling fan (with failure detection)
Ambient Operating Temperature	-5 to +40°C (up to +50°C with output current derate)
Ambient Operating Temperature	95% RH or less (no condensation)
Control Method	Open-loop vector control, Closed loop vector control, V/f control (for multiple motor operation), Closed loop vector control for SM (option)
Input Voltage Range	2.3 kV -20% to +10%, 60Hz
	3.3 kV -20% to +10%, 50/60Hz
	4.16 kV -20% to +10%, 60Hz
	6.6 kV -20% to +10%, 50/60Hz
	11 kV -20% to +10%, 50/60Hz
Input Configuration	Integrated isolating transformer, with multi-pulse secondary using Smart Harmonics™ Technology (less than 2.5% THD, input current)
Output Configuration	Enhanced Cascaded H-Bridge, with two 5-level cells per phase, providing a 9-level output waveform for 4kV ratings
Overload Capacity	100% Continuous
	110% for 1 minute
	120% for 15 Seconds
Freq. Control Range	0.01 to 120 Hz
Freq. Control Accuracy	±0.5%
Analog Input Resolution	0.03 Hz
Accel/Decel Time	0.0 to 6000 s
Speed Accuracy	± 0.5% (open-loop vector control), ± 0.02% (closed loop vector control)
Torque Accuracy	±5% (open-loop vector control), ±3% (closed loop vector control)
Momentary Power Loss	Max. 2 Seconds (UPS required for control power)
Main Control Functions	Torque Control, Droop control, Speed/Torque control switch, Momentary Power Loss, Speed Search, Overtorque detection, Torque limit, 17-Step speed (max), Accel/decel time switch, S-Curve accel/decel, 3-wire sequence, Auto-tuning (rotational, stationary), Dwell, Cooling fan on/off, Slip compensation, Torque compensation, Frequency jump, Upper/lower limits for frequency reference, DC Injection braking at start and stop, High slip braking, PID control (with sleep function), Energy Saving control, Modbus communications (RS485, max. 115.2 kbps), Fault retry
Digital Operator	Status display, Fault display, Parameter setting, Parameter reference
Protective Functions	Overcurrent, Overvoltage, Undervoltage, Output ground fault, Output open-phase, Overload, Cooling-fan error, Transformer overheat, Motor overheat, etc.
Communications (optional)	Any one of PROFIBUS-DP, DeviceNet, Ethernet, or ModbusTCP/IP can be installed
Input Transformer	Class H dry type, -5%/N/+5% tap, secondary multi-phase winding
Temperature Protection	Power cells: protected by thermistor for temperature
Temperature Protection	Transformer: protected by PT100Ω
Storage Temperature	-20 to +60°C (for very short term for shipment and handling)
Enclosure	NEMA Type 1 (IP40) - 12 GA Sheet Metal construction
	Front access for maintenance and component replacement
	Paint finish: 5Y7/1 Munsell semi-gloss Beige
Applicable Standards	UL, CSA, NEMA, IEEE, JIS, JEM, JEC

Models

Models	YASKAWA Medium Voltage Drives MV1000 Drive Features
Features	• Compact design which produces a very competitive footprint across the entire power range in a NEMA Type 1 enclosure (filtered and gasketed)
	• Using the Yaskawa Smart Harmonics™ Technology ensuring very low THD, without the need for additional filters
	• Unique output stage using an enhanced Cascaded H-Bridge configuration reduces the number of power cells by half, providing a very clean output waveform to the motor, without the need for additional filters or reactors
	• Advanced control features providing high performance including Open Loop Vector Control and excellent Energy Saving capabilities
	• Digital Operator with an easy-to-view LCD display (same as used on the A1000 series LV drives)
	• Communication options for all major industrial networks provides high speed control and monitoring, reducing installation cost
	• DriveWizard™ plus MV computer software and Application Sets for easy configuration
	• USB Copy Unit and Keypad configuration storage provide speed and convenience for duplicate configuration of multiple drives
	• High quality design, with an expected field MTBF greater than 200,000 Hours (22.8 years).

Delivery Information

Delivery information typically includes delivery times, shipping methods, packaging, etc., which may vary depending on the seller and the location of purchase.

Manuals + Resource

YASKAWA Medium VoltageDrives MV1000 Drive brochures.pdf

Document Available

Frequently Asked Questions

What is the typical efficiency of the YASKAWA MV1000 drive?

The YASKAWA MV1000 features a design that delivers an efficiency of 97% or better at rated motor speed and 100% load.

What voltage levels and power ranges does the MV1000 cover?

The drive is compatible with standard medium voltages including 2.3 kV, 3.3 kV, 4.16 kV, 6.6 kV, and 11 kV, supporting power configurations up to 16,000 HP depending on the output voltage selected.

Does the MV1000 require external harmonic filters?

No, the MV1000 integrates Yaskawa Smart Harmonics™ Technology, ensuring low input current THD (less than 2.5%) without the need for additional external filters.

What control methods are available with this drive?

It supports multiple control modes including open-loop vector control, closed-loop vector control, and V/f control for multiple motor operations, as well as optional closed-loop vector control for synchronous motors (SM).

What are the primary applications of the YASKAWA MV1000?

It is ideal for high-power, medium-voltage installations such as fans, pumps, compressors, conveyers, and municipal water supply systems in general machinery, power generation, and heavy industrial plants.

What safety and protective functions are integrated?

The unit features comprehensive protection settings, including overcurrent, overvoltage, undervoltage, output ground fault, output open-phase, overload, cooling fan fault monitoring, and overheating protection for both the transformer and the motor.