Suppose you are considering a battery backup system for home solar power. You are offered two...
Homework Answers
Lithium-ion battery are more efficient while charging, the energy stored is 100% in comparison with most lead-acid battery whose efficiency is 85%.
On the other hand, lead-acid batteries are more cost efficient or cheaper than lithium-ion batteries.
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Suppose you are considering a battery backup system for home
solar power. You are
offered two...
(UPS Battery) On January 1, 2015, you bought a backup battery for your office uninterruptible power supply (UPS) sy...
(UPS Battery) On January 1, 2015, you bought a backup battery for your office uninterruptible power supply (UPS) system. In each of the next three years, the battery can fail and a new battery needs to be bought (if you want to keep using the UPS system). The maximum lifespan of the battery is four years; i.e., the battery must be replaced after four years. Due to chemical properties, the probability of the battery failure is fixed at 20% in...
A group is considering installing a solar power station and has asked you for your recommendation...
A group is considering installing a solar power station and has asked you for your recommendation for a photovoltaic system or a solar thermal system. At this stage you are asked not to include cost factors. The single point design condition they have given you is for an incident solar radiation on the collector of 550 W/m2, a surrounding temperature of 18 C. The dead state for this problem should be taken as To = 291 K, Po = 1...
(6 points) You purchase a chainsaw, and can buy one of two types of batteries to...
(6 points) You purchase a chainsaw, and can buy one of two types of batteries to power it, namely Duxcell and Infinitycell. Batteries of each type have lifetimes before recharge that can be assumed independent and Normally distributed. The mean and standard deviation of the lifetimes of the Duxcell batteries are 10 and 2 minutes respectively, the mean and standard deviation for the Infinitycell batteries are 16 and 3 minutes respectively. Parta) What is the probability that a Duxcell battery...
Consider the following EOY cash flows for two mutually exclusive alternatives (one must be chosen). The...
Consider the following EOY cash flows for two mutually
exclusive alternatives (one must be chosen). The MARR is 5% per
year.
I need the PW of the Lead Acid and Lithium Ion.
Problem 6-28 (algorithmic) EQuestion Help Consider the following EOY cash flows for two mutually exclusive alternatives (one must be chosen) The MARR is 5% per year ead Acid $7,000 thium lon Capital investment Annual expenses Useful life Market value at end of useful life $13,000 $2.500 $2,750 12...
Lead batteries are widely used in vehicles, energy storage for solar systems, wind power, telecommunications, and...
Lead batteries are widely used in vehicles, energy storage for solar systems, wind power, telecommunications, and data centers. Approximately 80% of lead produced worldwide goes into batteries. Lead is a highly toxic metal, and lead in this case relates to exporting used batteries to Mexico. Elevated levels of lead in the human body have been associated with damage to many organs and body tissues, including the heart, bones, intestines, kidneys, and reproductive and nervous systems. High lead exposure in young...
Suppose that you have been offered two packages. Package A contains 1000 call options at strike...
Suppose that you have been offered two packages. Package A contains 1000 call options at strike price of $182. Package B contains 100 call options at strike price of $80. Suppose stock price next year could be $100 with probability 0.75 and $200 with probability 0.25. Suppose that you are risk neutral. Which package would you choose
At Home Lab: Density Introduction: Density I am sure you have carried two full grocery bags...
At Home Lab: Density Introduction: Density I am sure you have carried two full grocery bags to your car and noticed one bag being much heavier. Since the two bags are the same size and one bag has more mass, the heavier bag must be more dense. A non-scientific definition for density is how tightly packed something is. Supplies: • 100ml Graduated Cylinder • Corn Syrup • Vegetable oil • Tap Water • Food Coloring or Universal Indicator Reasoning: The...
3. Suppose you were to build a circuit with two light bulbs in the same path....
3. Suppose you were to build a circuit with two light bulbs in the same path. Will the total power delivered to the circuit be larger, smaller, or the same compared to the circuit with one light bulb (assume here that the battery has no internal resistance)? As you answer this, think about the product of current and potential difference for the battery. Explain (or try it out in the simulation and give your results!)
(11 %) Problem 8: Suppose you have a 9.00 V battery, a 2.8 μF capacitor, and...
(11 %) Problem 8: Suppose you have a 9.00 V battery, a 2.8 μF capacitor, and a 8.45 μF capacitor. 25% Part (a) Find the total charge stored in the system if the capacitors are connected to the battery in series in C. sin cosO tan HOME acosO atan)acotan)sinh) 0 coshO tanh) cotanhO DegreesRadians END BACKSPACE DEL CLEAR Submit Hint I give up! Hints: 1 % deduction per hint. Hints remaining: 2 Feedback: 1% deduction per feedback 25% Part (b)...
1. The unit cost of installing a solar power system per km² was $5,000 in 2010...
1. The unit cost of installing a solar power system per km² was $5,000 in 2010 when the construction cost index was 1,850. Construction of a 5 MW power system requires 50 km² of land. Estimate the cost of constructing a solar power system of 20 MW in 2020 given that the construction cost index is 2,450 and the size-factor is 0.75? 2. A company that manufactures general-purpose transducers invested $2 million four years ago in high-yield junk box bonds....
(UPS Battery) On January 1, 2015, you bought a backup battery for your office uninterruptible power supply (UPS) system. In each of the next three years, the battery can fail and a new battery needs to be bought (if you want to keep using the UPS system). The maximum lifespan of the battery is four years; i.e., the battery must be replaced after four years. Due to chemical properties, the probability of the battery failure is fixed at 20% in...
(6 points) You purchase a chainsaw, and can buy one of two types of batteries to power it, namely Duxcell and Infinitycell. Batteries of each type have lifetimes before recharge that can be assumed independent and Normally distributed. The mean and standard deviation of the lifetimes of the Duxcell batteries are 10 and 2 minutes respectively, the mean and standard deviation for the Infinitycell batteries are 16 and 3 minutes respectively. Parta) What is the probability that a Duxcell battery...
Consider the following EOY cash flows for two mutually
exclusive alternatives (one must be chosen). The MARR is 5% per
year.
I need the PW of the Lead Acid and Lithium Ion.
Problem 6-28 (algorithmic) EQuestion Help Consider the following EOY cash flows for two mutually exclusive alternatives (one must be chosen) The MARR is 5% per year ead Acid $7,000 thium lon Capital investment Annual expenses Useful life Market value at end of useful life $13,000 $2.500 $2,750 12...
At Home Lab: Density Introduction: Density I am sure you have carried two full grocery bags to your car and noticed one bag being much heavier. Since the two bags are the same size and one bag has more mass, the heavier bag must be more dense. A non-scientific definition for density is how tightly packed something is. Supplies: • 100ml Graduated Cylinder • Corn Syrup • Vegetable oil • Tap Water • Food Coloring or Universal Indicator Reasoning: The...
3. Suppose you were to build a circuit with two light bulbs in the same path. Will the total power delivered to the circuit be larger, smaller, or the same compared to the circuit with one light bulb (assume here that the battery has no internal resistance)? As you answer this, think about the product of current and potential difference for the battery. Explain (or try it out in the simulation and give your results!)
(11 %) Problem 8: Suppose you have a 9.00 V battery, a 2.8 μF capacitor, and a 8.45 μF capacitor. 25% Part (a) Find the total charge stored in the system if the capacitors are connected to the battery in series in C. sin cosO tan HOME acosO atan)acotan)sinh) 0 coshO tanh) cotanhO DegreesRadians END BACKSPACE DEL CLEAR Submit Hint I give up! Hints: 1 % deduction per hint. Hints remaining: 2 Feedback: 1% deduction per feedback 25% Part (b)...
1. The unit cost of installing a solar power system per km² was $5,000 in 2010 when the construction cost index was 1,850. Construction of a 5 MW power system requires 50 km² of land. Estimate the cost of constructing a solar power system of 20 MW in 2020 given that the construction cost index is 2,450 and the size-factor is 0.75? 2. A company that manufactures general-purpose transducers invested $2 million four years ago in high-yield junk box bonds....
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