Toshiba T300MVi User Manual

MEDIUM VOLTAGE DRIVES

T300MVi

 Small Footprint

Reduced Component Count

IEEE-519 1992 Compliant with 24-Pulse

Harmonic Cancellation

Additive PWM Output Voltage with No Neutral Shift

May be Used with Standard Motors

Ten-Year Mean Time Between Failures

Built in Harmonic Reduction, Without Filtering or Concern for
Long Lead Lengths

Toshiba’s T300MVi contains specially designed transformer and rectifier schemes that provide phase-shift
cancellation capabilities, eliminating issues concerning harmonic injections into bus-fed equipment. Instead,
the T300MVi medium voltage drive simply looks like a linear load on the incoming AC line. The drive also exceeds
IEEE-519 requirements without the addition of any harmonic filters.

Other Benefits:

• Topology Provides Isolation from Ground Faults and Line Surges

• Design Obtains Higher Displacement Power Factor (0.96) than Running Motor Across the Line

• Motor Torque Ripple Negligible Due to Extremely Small Harmonic Current Contents, Reducing Need for Damping

Devices, e.g., Couplings, Flywheels

• Reduces Possibility of Drive-Induced Torsional Vibration in Driven Equipment

TOSVERT-300MVi® NPC ADJUSTABLE SPEED DRIVE

Left Side View Right Side View

2000 HP 4.16 KV

Diagram represents standard product offering: T300MVi medium voltage drive 1000 to 2000 HP, 4160 V
Input. This product was designed to have one of the smallest footprints offered by any manufacturer.

Stable Speed Control Without
a Speed-Sensing Device

• Provides V/Hz or Vector Control Performance Without a

Motor-Mounted Digital or Analog Sensor

• Controls Industrial Processes Utilizing an Internal, High

Speed Algorithm

• Capable of Closed-Loop Vector Control for Super High

Performance Applications

Continuous Operation During
Momentary Power Failures

• Operates with 30% Undervoltage Condition (Trip Time

Based on Drive Overload)

• Five-Cycle Ride-Through During Complete Outages

• Contains Automatic Ride-Through Control

• Allows Restarting into Rotating Load upon Restoration

of AC Line Power Following Total Power Loss