Siemens DTU3005-B Especificaciones descargar pdf (Pagina 83)

5. Type ____________ disturbances last up to 0.5 Hz.

a. Type I b. Type II

c. Type III d. Type IV

6. The ____________ harmonic is a positive sequence

harmonic.

a. 1st b. 2nd

c. 3rd d. 4th

7. To help reduce the effects of harmonics it may be

necessary to install ____________ .

a. power factor correction capacitors

b. a UPS system

c. K-rated transformers

d. a voltage regulator

8. The ____________ meter has a high resolution

graphical display.

a. 9230 b. 4300

c. 4720 d. 9500

9. The ____________ meter includes a front optical data

port for accessibility by a portable PC.

a. 4720 b. 9240

c. 9300 d. 4700

10. An advantage to loop topology over straight-line

topology is the ability to ____________ .

a. communicate with each device in the event

of a break in the communication cable

b. reduce the amount of communication wire

required

c. connect additional field devices

d. have longer runs

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Siemens DTU3005-B Especificaciones Pagina 83