MCR type Arc suppression auto tracking compensation device of3800Kvar/66Kv
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MCR type Arc suppression auto trackingcompensation device of3800Kvar/66Kv
MCR-SVC which is co-developed by Dandong Xintai Electric Co., Ltd. and Wuhan University isan important scientific research result of state grid. Its performance has come to or surpassed the same kind ofproducts overseas and its technology has come to the world’s advanced level.The product has been being developed from 1990s to now, and it has been putinto wide use in metallurgy, state grid, electrified railway, coal system and other important fields.
Three majorindicators of voltage, reactive power and harmonic wave in power system arecrucial for the economic benefits of power grid and the improvement of thequality of power supply. The using of new-type MCR-SVC controls the three majorindicators of voltage, reactive power and harmonic wave ideally and ensures thequality of power supply. It is the critical technical breakthrough of our stategrid system and realizes the target of saving energy and reducing pollutantsdischarge of power supply of state grid. It is a kind of environment-friendlyand intellective new-type reactive power compensation product.
The product has theadvantages of small output harmonic waves, simple structures, highreliabilities, low prices, small floor space and so on. And it also has theadvantages of flexible control and fast response time. These can not onlyadjust smoothly the reactive power of system to realize the real flexibletransmission but also suppress the power frequency overvoltage and secondaryarc current to reduce line losses. And the advantages largely improve thestability and economy of system.
At present,7500 kvar/10kv MCR produced by our company has already been put into usein Mongolia. 20000 kvar /66kv and 12000 kvar /10kv as wellas other series products have also been put into operation in North-east Gridand Shenhua Group in Inner Mongolia.20000 kvar /66kv MCR and 3800 kvar/66kV magnetic-valve are-suppression coil are doing the Appraisal of National New Products now.
Thecompany has already possessed the ability to design, manufacture and test the seriesmagnetic-valve products of 30000 kvar and below.
- Q: I have worked there as an electrical engineer but in design for a consultant. I would like to know what are the major things to account for (DB's, wires and cables, ducts, conduits.) and how to estimate them for a typical 6000sq.ft 2 floor villa
- If you have the design drawings, you simply have to make a material take-off list. The main drawings are: General Layout Grounding Layout Electrical Equipment Layout / Schematic Riser Diagram (Fire Alarm) Lighting Layout At the very least, you need to have the General Layout drawings (to know how many rooms you've got) and you need to know the electrical levels since some houses might require 380/480 3-phase for elevators and large electrical equipment. Working room by room, you will estimate cable and conduit lengths, the number and specifications of the DBs, number of lights, outlets, switches, buzzers, intercoms, smoke detectors.
- Q: Can electrical equipments draw currents or they allow too flow current through them?
- I wondered the same thing when I was learning about electricity. Neither, and both is the answer. Voltaic pressure forces the flow, IF there is a circuit to flow through. And if there is a circuit, that circuit will have some resistance, which will 'fight' to resist that flow. Current is 'drawn' only from the viewpoint of the electrician in the field, who sees current flowing only when he hooks up a load and completes a circuit.
- Q: A -INDIVIDUAL GROUNDS B -THROUGH AN ISOLATION TRANSFORMER C- ONE COMMON GROUND D- NO MORE THAN 3 GROUNDS E- IN PARALLEL?
- The national electric code states where no ground is available, you have to replace a two prong receptacle with another two prong receptacle. An exception is made for installing a GFI receptacle (3 prong) in the place of the 2 prong. Be aware, there still won't be a ground available for your equipment. Those are the only legal options you have besides rewiring to provide a ground. That is assuming there is no ground available at the box and chances are there is not. You are not allowed to run a ground wire separately to a water pipe or ground rod as the non trained hacks are going to try to tell you. That is a code violation. All conductors for a circuit must be run together according to the National Code. To convert your house or maybe just certain rooms, call a real electrician or pull new wires to the receptacles.
- Q: hey yahoos , i just graduated this december on the 22nd with a degree in Electrical and Computer engineering . Apart from the fact that i graduated with a decent gpa ( not that great ) i have no idea why i chose that major or what kind of a job i should be looking for . I didn't have an internship , because of the pressure i was getting from my family which cooked my brain , and i'd rather Not do anything due to pressure than do Anything on my own. I have lost 75% of my motivation already and currently my only motivation is to buy some nice Gadgets, other than that , i don't know :( . , i was wondering if anyone could just advice me anything as if to what kind of a job should i be looking for in this field. What does it even mean by the term junior engineer. , Does anyone know if it's any good to learn 80% of electrical stuff and 20% of computer stuff. Is there a job market for that ? i am looking for a job in new york city itself . i don't have any more characters .:-(
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- Q: how we can justify or design the voltage rating of any electrical equipment. some motors are 415 v, others are 11kv, 33 kv, motors. ofcourse the current rating will change as per voltage rating. but at what stage of power rating this voltage will change as any standards.
- It was pure depending on the need from market and the possible available power source for these products being sell in future.
- Q: Conduct regular maintenance tests for the electrical equipment.The following actions should be taken to reduce the probability of potential electrical deficiencies at this facility.The Hazard
- potential electrical deficiencies means the possibility that this facility will not work due to electrical problems in other words, future problems caused by lack of maintenance on the electrical equipment. Therefore, the sentence could be rephrased as follows: The following actions should be taken to to make sure all the electrical equipment stays in good working order.
- Q: I have an electrical equipment(Its quite old. aybe about 25 years old)These are the ratings:Input : AC 120 V 60 HzOutput : DC9V - 850mAI live in SIngapore which has a power input of 240VMy step down transformer/converter specsMaximum power it can convert is 230 watts
- Your existing transformer/converter will work just fine. Even if it's only 25% efficient your adapter will be pulling just 36 watts. Your transformer is good for over six times that. So you're ok. You want the transformer to have a capacity of at least 20% over the actual load, but more capacity is perfectly ok. Of course, you could also replace your power adapter with one that takes 240V input. That would be a lot more convenient. In the US such adapters normally cost less than 10 USD.
- Q: I want to choose between Electrical Engineering and MBA , but I heard this career now a days is not a good investment because of outsourcing from Asia , what do you think about that
- Of course.mechanical engineering and electrical engineering are hvng gud career because it is a part of our daily life.since electronics equipments are now available in cheap rates electronics and such other engineering has no scope
- Q: I don't know a lot about electricity, but I know that on earth we ground our outlets, computers, etc. Do they have a means of grounding electricity in space? Are electrical systems more dangerous on spacecraft?
- In electrical engineering, earthing or grounding means literally to make an electrical connection between the ground and a metal part. In practice this is usually done by connecting to the ground pin of an electrical socket, which is itself connected to ground. In permanent installations it can also be done by wiring to a piece of grounded metal, most often a water pipe. The main reason for doing this is safety. If a live wire touches a metal part such as the casing of a washing machine, it will become live or hot. If you were to touch it you would get an electric shock. By grounding the metal part, if a live wire touches it the current will flow through the metal part to the ground. This will usually cause a fuse to blow or a circuit breaker to trip, thereby isolating the supply and protecting the user. Despite what a previous answerer said, the ground is not part of the circuit of the electrical supply to your house. A separate conductor, the neutral, serves that purpose. Current only flows into the ground during a fault condition like the one I described above. In electronics, the term ground is often used to mean a part of the circuit which has zero volts on it, and may be used as a return path for electric currents in the circuit and/or a screen against electromagnetic interference. For instance, an electronic engineer may say that a part of the circuit is at 5 volts above ground.
- Q: highest Temperature i can reach in a lab with electrical discharge i do not care if the equipment gets destroyed or not i just want to know the possibility of the highest temperature you can reach with electricity if there is no limit then simply say no limit. if you know the best possible method please explain as much as possible. thanks in advance.
- There is a limit. The temperature of an electric arc (the plasma formed by an electrical discharge) is on the order of 10,000 C. This temperature is high enough to melt any substance known and to vaporize almost any substance known. Of course the amount of heat contained in that arc depends on a number of things like the amperage, the electrical power, and the material making up that plasma. You can produce an arc with a flashlight battery but the heat content of that arc is tiny. However, if you are a group of atoms of, for example, copper, participating in that arc, you are going to melt and some of you are going to vaporize. If you want to learn more about exotic ways to acheive very high temperatures (enough to initiate nuclear fusion), google the Lawrence Livermore National Laboratory and their project on laser ignition for fusion research.
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MCR type Arc suppression auto tracking compensation device of3800Kvar/66Kv
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
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