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.

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Q:Why does electrical equipment not work very well for me?
It could either be a paranormal phenomenon, or you simply treat your electronic devices so poorly that they fail frequently. I'm betting on the latter.
Q:About how much does an electrical engineer make?
$40,000-$60,000 out of college $70,000-$100,000 depending on location and experience or lots of meats and vegitables
Q:electrical outlet issues?
You should get a electrician. It is a fire hazard and nothing to fool around with.
Q:Is it safe to use household electrical equipment rated for AC in DC power systems?
No, this is not safe as far as switches are concerned. When you open a switch (turn a light or appliance off), a tiny spark is generated which erodes the contacts slightly. Over a period of many actuations of the switch, it will degrade to the point of becoming dangerous or non-functional. Every 0.02 of a second (50Hz mains) or 0.017 of a second (60Hz mains), the voltage in an AC circuit is instantaneously zero. The tiny spark generated cannot last longer than this at most, and some of the time even less. Therefore the erosion of the switch contact is small and the switch last for many years. In a DC circuit, the spark lasts as long as it naturally would. This may be a lot longer than 0.017 sec and may erode the switch contact a great deal faster than it would for AC. This causes a defective, maybe dangerous, switch much sooner. The longer duration spark itself is a safety hazard from the point of view of fire safety. A DC switch for 115V will be a much more heftily engineered than an AC switch. A standard AC switch must not be used for DC.
Q:What will happen to electrical equipment during the once in a generation solar storm NASA predicts?
The okorder
Q:Witches, Shamans, Psychics, Energy Workers: Do you have problems with batteries, electrical equipment?
I wondered if anyone else ever had this problem. A friend of mine is the most natural witch I have ever known. When she comes to visit I wind up having to change light bulbs in the house that blow while she is here. She works for my sister and they have to carry mobile radios. They are always sending those things out for repair.
Q:Can we use land line phone to control houshold electrical equipments. Is the techonology available?
The answer is a qualified yes. You can connect your lights and appliances to X10-based switches and dimmers, and use the X10 Telephone Responder to control them remotely by phone. This will not allow you to turn on a microwave, because microwaves require their buttons to be pushed. But you could control lights, appliances and HVAC remotely with the right X10 receivers connected. See the links below for some phone-based controllers.
Ideally you want one common ground for everything. With multiple grounds, you might get voltage differences between ground points (if there are significant currents flowing) which can affect measurements. For noise isolation, some prefer to have separate grounds for power, analog and digital circuits which can be okay as long as you tie them together at a single-point ground.
Q:What can I do do with my degree in electrical and computer engineering ?
Electrical Engineering is the main degree people get. With that you can specilize in computer and microprocessors design, or antennas and microwave design, or power. So you will be fine.
Q:What is sun shade? If the design temp. is 55 deg.c in the un shaded area, what should be temp. in shaded area?
Outside ambient temperatures are always measured in the shade away from direct sunlight. If your equipment is seeing direct sunlight in normally convective air, then you should use an infared remote sensing thermometer to measure different points on the outside and the inside of the equipment (if possible) to determine the ambient temperature (when exposed to direct sunlight). Alternately, you could place a thermistor, thermocouple, RTD, or semiconductor temperature sensor inside the equipment (always in the shade) and run wire leads outside the equipment container, then measure ambient temperature inside the equipment with a meter on the outside. .

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