Functional Description | Toshiba 4200FA XT1, TOSHIBA 4200FA instruction

4.0FUNCTIONAL DESCRIPTION

A. Converter / Charger / DC Chopper

DESCRIPTION - The converter/charger shall consist of a solid-state three phase rectifier, DC to DC converter (chopper), output filter, and transient suppresser network to regulate and maintain DC power to the inverter.

1)TRANSIENT SUPPRESSER - The incoming AC utility shall first be connected to a molded case circuit breaker as a means of disconnecting power to the UPS. Power shall flow through a surge absorber to prevent large transients from passing through to the load or damaging the batteries. Power shall then flow through a line filter to prevent sags or surges from passing to the load.

2)CONVERTER/CHARGER - The converter shall serve to change incoming AC power to DC, which shall be supplied to the DC chopper. From this point, DC power is used to recharge the battery bank while simultaneously providing power to the inverter.

a)Input Frequency Range: 45-65 Hz, continuous, without battery operation

b)Capacity: Battery recharge shall be to within 90% of nominal from a fully discharged state in 10 times the discharge time.

3)DC CHOPPER - The chopper circuit shall consist of inductors, capacitors, diodes and IGBT's (Insulated Gate Bipolar Transistors). The chopper shall have the function of providing start-up protection (by checking phase rotation of incoming utility power), boosting the DC to the inverter (during low AC input voltage conditions), providing power factor enhancement, and reducing reflected harmonics to incoming utility power.

B.Pulse Width Modulated (PWM) Inverter

DESCRIPTION - The PWM (Pulse Width Modulated) inverter shall incorporate an advanced IGBT design, an output isolation transformer, and output overcurrent protection for clean, regulated output power to the critical load.

1)INVERTER - The inverter network shall consist of a high speed IGBT switching network designed to supply non-linear loads with a clean and steady voltage waveform. The inverter switching speed shall be fast enough to limit audible noise to 63 dBA at 3 feet (measured on ‘A’ scale).

4200FA XT1

September 6, 2004

TOSHIBA 4200FA, 4200FA XT1 specifications

The Toshiba TOSHIBA 4200FA is a high-performance hard drive designed for various computing applications, focusing on reliability and performance. It is part of Toshiba's extensive family of storage solutions, and its specifications make it particularly suited for enterprise environments where large data storage and quick access times are essential.

The 4200FA is built with advanced technology, offering a rotational speed of 4200 RPM, which strikes a balance between energy efficiency and performance. This speed is suitable for everyday computing tasks, making it a reliable choice for both personal and professional use. The drive supports SATA interface technology, ensuring compatibility with a wide range of systems and motherboards.

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Another important characteristic is energy efficiency. The Toshiba TOSHIBA 4200FA is designed to consume less power than traditional hard drives, contributing to reduced overall system power requirements. This feature is especially advantageous in laptops and portable devices, extending battery life for users on the go.

In summary, the Toshiba TOSHIBA 4200FA is a robust storage solution featuring a combination of decent rotational speed, significant storage capacity, advanced technologies, and an emphasis on reliability and energy efficiency. Its design makes it a versatile choice for various applications, appealing to users who prioritize performance and data integrity in their computing experiences. With its enduring qualities, the 4200FA stands out as a dependable component for both personal and enterprise storage needs.