The basics of electrical equipment remain constant; however, modern technologies continue to transform how equipment is monitored, controlled, and maintained. To remain industry leaders, NETA Certified Technicians must continuously learn and develop expertise in these advanced solutions.
1. Which online monitoring device is used to detect the development of insulation voids?
a. Power monitor
b. Partial discharge monitor
c. Arc flash sensor
d. Corona imaging
2. Which IEC 61850 function is used for fast tripping and binary status information between relays?
a. SV
b. MMS
c. PTP
d. GOOSE
3. Which IEC 61850 function is used for publishing analog metering values?
a. SV
b. MMS
c. PTP
d. GOOSE
4. Which device can be installed permanently on an oil-filled transformer to provide information regarding overall internal transformer health?
a. Hot-spot CT
b. Temperature monitor
c. Oil monitor
d. Vibration sensor
5. On systems with neutral-ground resistors, what protection mechanism can ensure the resistor remains installed?
a. Ground current
b. Short/open detection
c. Voltage rise
d. Functional trip
6. Which device in a switchgear main breaker can cause it to trip faster than its coordinated trip time?
a. Shunt trip
b. Transfer scheme
c. Arc flash sensor
d. IOC setting
7. What device allows substation event records to be accurate across all relays in the network?
a. HMI
b. GOOSE
c. RAS
d. GPS satellite clock
Morgan Gieni, CET, PSE, is the Technical Support Lead Technical Field Services (TFS) at Magna IV Engineering. He is an ASET Certified Engineering Technologist and a NETA Level 4 Certified Senior Technician and is on NETA’s Technical Resource Committee.