Advanced Marine Electrics and Electronics Troubleshooting A Manual for Boatowners and Marine Technicians
changes in the area you are working in. The trick is to look for abnormalities.) If there is no current flow, there will be no ...
No problem was indicated by this test, but let’s run it again, starting with a stone-cold engine. As soon as I turn on the engin ...
range from –20°F to 200°F) so it can compen- sate for the temperature. In this same vein, many battery chargers have potentiomet ...
will do the job, but an infrared heat gun will generate results much faster. Temperatures matter in electrical work, and excessi ...
CHAPTER 6 Using Power Factor to Determine Energy Efficiency S ooner or later, marine electricians and boatowners are confronted ...
Reactive Power While reactive power may seem to be loss of power, it isn’t a complete loss. In fact, reactive power is necessary ...
using power factor 69 AC LOAD ANALYSIS (FROM ABYC STANDARD E-11) 11.10.2. FOR AC SYSTEMS 11.10.2.1. Power Source Options The met ...
70 electrical systems troubleshooting 11.10.2.2.3.Total. Formula: Lighting watts small appliance watts _________ total watts ...
Nameplate Rating (watts) Use (watts) 10,000 or less 80% of rating 10,001—12,500 8,000 12,501—13,500 8,400 13,501—14,500 8,800 14 ...
72 electrical systems troubleshooting Selling for around $150, the WattsUp? is affordable, and costs far less than high-end, sco ...
using power factor 73 In researching industrial motors like the ones used in marine air-conditioning and refrig- eration systems ...
CHAPTER 7 Analyzing Harmonic Distortion A C waveform analysis on an oscilloscope may sound like a pretty sophisticated procedure ...
75 Unfortunately, some of the electronic equip- ment routinely installed on boats can deliver less than satisfactory performance ...
76 electrical systems troubleshooting ALTERNATING CURRENT AND WAVEFORMS A perfectly formed AC sine wave, characteristic of AC po ...
differential across the bulb’s filament, the fila- ment has an engineered amount of resistance, and the resistance generates eno ...
78 electrical systems troubleshooting on the order of 165 to 170 VAC. But it does vary slightly due to forces within the devices ...
analyzing harmonic distortion 79 ending up a bit out of phase and waveform distortion will occur as a result. (Remember that res ...
oscilloscope, or with a high-end DVOM that also has a “peak capture” feature, you can get a pretty good indication of whether ex ...
analyzing harmonic distortion 81 A peak value result on an oscilloscope. A typical true RMS voltage reading for a 120 V system. ...
82 electrical systems troubleshooting office buildings for some time, and may account for the seemingly strange symptom of a bur ...
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