Instruction/ maintenance manual of the product E3 Toshiba
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1 E3 Adjustable Speed Drive Engineering Specification PART 1 - GENERAL 1.0 Scope This specification shall cover Toshiba E3 AC Variable Frequency Drives, 6 pulse for 230V and 460V. 1.1 References A. National Electric Manufactures Association (NEMA) B. Underwriters Laboratories, Inc.
2 B. The drive shall utilize Insulated Gate Bipolar Tr ansistor (IGBT’s) in its p ower section. C. The E3 VFD shall have 3 basic design criteria 1) Rectifier Section that shall include diode bridge rectifier to convert AC to DC.
3 M. The drive shall have an adjustable retry function after a fault. Both num ber of attempts (at least 10) and time between (1-10 sec). N. The drive shall have an adjustab le output short circuit detectio n selection for standard motor and high-speed motors (very low inductance).
4 I. The drive shall have adjustable UL lis ted electronic overloa d protection (10% - 100%). J. The drive shall have a custom programmable volt/hertz pattern.
5 3) Over current during normal run trip 4) Over current on the DC Bus during acceleration trip 5) Over current on the DC Bus during deceleration trip 6) Over current on the DC Bus during normal run trip 7) Load end over current trip detected at start-up (output terminals, motor wiring, etc.
6 9) Motor Overload Ratio 10) Drive Overload Ratio 11) DBR Overload Ratio 12) Input Power 13) Output Power 14) RR Input Value 15) Peak Load Current 16) Peak Input Voltage 17) Kilowatt Hours 18) Megawatt Hours B. The drive shall have 320 programmable parameters, which can be changed, while the drive is in run mode.
7 2.9 Drive Environmental Conditions A. Environment - Indoors NEMA 1 metal enclosure, plastic shall not be acceptable. B. Ambient temperature - 14 ° F to 104 ° F (up to 122 ° F with cover removed). C. Altitude - 3,300 feet maximum without derating.
An important point after buying a device Toshiba E3 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Toshiba E3 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Toshiba E3 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Toshiba E3 you will learn all the available features of the product, as well as information on its operation. The information that you get Toshiba E3 will certainly help you make a decision on the purchase.
If you already are a holder of Toshiba E3, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Toshiba E3.
However, one of the most important roles played by the user manual is to help in solving problems with Toshiba E3. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Toshiba E3 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
