What precautions must be utilized and maintained when setting up or using a Delata 4 wire system that is to serve both 240 V and 120 V single phase loads?
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A: Let's consider a balance 3 phase circuit as shown below.
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What precautions must be utilized and maintained when setting up or using a Delata 4 wire system that is to serve both 240 V and 120 V single phase loads?
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- 2. What is the difference between single-phase controlled and three-phase controlled circuits?Question: How do the secondary voltage and current react to the different types of load and how do they behave within the secondary load circuits? Answer:Determine the following based on the wiring diagram illustrated in figure 8 on worksheet 5 if it is that of a 6-pole, non-salient pole, 60-Hz, 3-phase AC generator stator that has 10 volts induced in each coil. What is the line voltage between L1 & L2? - A-30V, B-180V, C-312V, D- none of the above. What is the line voltage between L2 & L3? -A-30V, B-180V, C-312V, D- none of the above. What is the line voltage between L1 & L3?-A-30V, B-180V, C-312V, D- none of the above
- 12 - Due to the effect of the resistance of the cable connected to RTD, two-wire cables up to ……. meters and three-wire cables up to ……... meters are used in standard designs. A) 10-150B) 40-500C) 50-195D) 30-230E) 200-1000PLEASE HELP ME CHOOSE WHAT CORRECT LETTER OR ANSWER 1. The direction of induced voltage in a conductor can be changed by a. increasing the field strength. b. reversing the field direction. c. increasing conductor length. d. decreasing conductor size. e. reversing meter connections. 2. Direct current can be supplied to a load by a loop of wire rotating through a field with the use of a. slip rings. b. c. brushes. electromagnets. d. commutator. e. conductor. 3. Induced voltage can be increased in magnitude by a. increasing the number of lines cut per second. b. using a commutator. c. using slip rings. d. decreasing conductor length. e. properly applying the left-hand generator rule.1. Service-drop conductors must have__. A. Aufficient ampacity to carry the current for the load B. Adequate mechanical strenghth C. A or B D. A and B
- low voltage systems What is the system called if current flows through its neutral conductor? a)Balanced b)Unbalanced c)Proactive d)ComplexHow do voltage sags and surges affect electrical equipment, and what measures can be taken to protect against them?Explain what it means to install "conductors in parallel," and give five conditions that must be satisfied when this is done.
- What is regenerative electrical distribution system(REDS)?Look at the photo and answer the following questions it Is a 6 pole, non-salient pole design, 3 phase ac generator, 10 volts induced in each coil. 1. What is the total voltage induced in each of the three phase belts? 2. What is the line voltage between L1&L2? 3. What is the line voltage between L2&L3? 4. What is the line voltage between L1&L3?What is the maximum period for which a thyristor can operate in a unified three-phase controller?