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<H5> Megger testing technique questions </H5> |
<H5> Keep this in mind when working around energized equipment </H5> |
<H5> What will each wattmeter indicate? </H5> |
<H5> Typical current range for locked rotor current </H5> |
<H5> Gen Breakers Failed to close just "Click" </H5> |
<H5> What is defined as "Power Switching?" </H5> |
<H5> Most common cause of failure of electrical equipment in service </H5> |
<H5> Practice Test Question: Which relay is used to protect feeders? </H5> |
<H5> Power Factor Testing: Voltage Considerations Explained </H5> |
<H5> Motor nameplate and Ratings Explained </H5> |
<H5> Electrical Drawings and Schematics Overview </H5> |
<H5> Insulating Liquids: Basic Properties, Types and Applications Explained </H5> |
<H5> 4 Critical Tests for Evaluating HV Circuit Breaker Performance </H5> |
<H5> Power Quality Analysis: Basic Theory and Applications Explained </H5> |
<H5> Magnetron Atmospheric Condition (MAC) Testing Principles </H5> |
<H5> Electrical Power System Studies Explained </H5> |
<H5> Power Distribution Unit (PDU) Applications, Testing & Maintenance </H5> |
<H5> Network Protector Basics: Applications, Operation, and Testing </H5> |
<H5> Infrared Thermography for Electrical Distribution Systems </H5> |
<H5> Number of cycles completed in one second </H5> |
<H5> NETA Governance </H5> |
<H5> NETA III Test Feb 2020 </H5> |
<H5> Can this CT produce enough voltage to trip a relay? </H5> |
<H5> Surge arrester testing(34.5kv, 161kv, 330kv) </H5> |
<H5> Omicron Test Equipment vs Others </H5> |
<H5> Contact Resistance testing of BUS, difference between test currents 10A VS 100A </H5> |
<H5> Doble Testing a Bushing: C2 reading higher than nameplate </H5> |
<H6> Follow Us </H6> |
<H6> When performing insulation resistance on equipment, does it matter which lead on a megger goes where? If Im testing insulation resistance from A to B, does it... </H6> |
<H6> Keep the following in mind when working on exposed, energized electrical conductors or circuit parts:
3 Rules-of thumb for arc flash
1.) Incident energy... </H6> |
<H6> Three coils with a resistance of 4 ohms and impedance of 13 ohms each are connected in wye to a 120/208 Volt panel. What will each wattmeter indicate if three... </H6> |
<H6> The biggest enemy to insulating systems is heat. Current magnitude during most of the starting acceleration time is very close to locked-rotor current. What is... </H6> |
<H6> I was called out to a customers facility a couple of nights ago. The phone conversation starts as they usually do. Have not heard from you in a while so... </H6> |
<H6> Does racking out circuit breakers fall under the definition of "power switching?" My company has been on multiple jobs for various customers who are... </H6> |
<H6> What is the most common cause of failure of electrical equipment in service?
I put surges.
My second guess would be humidity.
Thoughts? </H6> |
<H6> So the question reads:
"Which relay is used to protect feeders?" and the possible answers are:
- MHO relay
- Translay Relay
- Merz Price Relay
-... </H6> |
<H6> 2. The number of cycles completed in one second is called the
Your Answer: hertz
marked incorrect
Hertz A unit of measure for frequency. Replacing the... </H6> |
<H6> I think NETA is influenced by some specific testing companies. Also they govern NETA test.
Who will agree with this? </H6> |
<H6> I would say about 25% of the questions on the exam were on this forum. </H6> |
<H6> I think yes. 100ft x .0025ohm/ft = 0.25ohm
Last post by zslater August 28, 2020
</H6> |
<H6> What's the appropriate test can I perform on my surge arrester(Lighting arrester) both polymer and porcelain type. Assist me with drawings/sketches of the test... </H6> |
<H6> I've recently went and visited an Omicron facility in Houston. We went for the line impedance testing abilities, but while we were there I was able to ask... </H6> |
<H6> Just wondering on some theory info about long bus runs on contact resistance testing prior to putting equipment into service. Testing it at 10A VS 100A, does... </H6> |
<H6> Does anyone have an explanation for high C2 readings when Doble testing transformer bushings?
The test was on a three winding transformer. All C2 values... </H6> |
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