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Surge Protective Device of section£º
1In¡¢Imax¡¢Un¡¢Us.max¡¢Up¡¢What the implication of Uc is £¿
¡¡¡¤The In act as the rated discharge current £¬The surge utensil may be by means of 20 times when this is not injuring £¨8/20Microsecond £©The electric current value ¡£
¡¡¡¤The Imax act as the largesttest discharge current £¬The surge utensil can only pass 1 time £¨8/20Microsecond £©The electric current value ¡£The Imax is more than In ¡£
¡¡¡¤The Un act as the rated work tension of low pressure distribution electric network ¡£
¡¡¡¤The Us.max act as the supremeest operation tension of low pressure distribution electric network ¡£
¡¡¡¤The Up points out when being living the rated discharge current £¬Shelter exactly deficient pressure level £¬In immediate future instantaneous inlay tension the suppressing capability ¡£When Up brings to bear on to the surge utensil £¬The surge utensil acts to cause very great In pouring swift regular by means of afterwards resumes once more £¬Thereby act to safeguard the action ¡£
¡¡¡¤The Uc continuees operation tension in the interest of the largesttest £¬Be able to plus at the surge utensil two ends be unlikely not arouse that the surge utensil property changes with heats to live the peak voltage to safeguard the element ¡£


2£®What some great types of produce the particular Mo's lux surge protection utensil of Lai is divided into £¿
¡¤Divided into in all six great types of produces £º
¡¡¡¡There is BLB's admittedly fiing style power source surge protection utensil ¡¢The BLB/G may thrust the pulling up style power source surge protection utensil ¡¢The BLB's signal surge is safeguarded the utensil ¡¢The little having quick access to information surge of BLB-DX is safeguarded the utensil ¡¢BLB's lightning rod set ¡¢BLB's power source lightning protecting box


3£®Ought to consider when chooseing the surge to safeguard the utensil ¡¢Which element unite £¿
¡¡¡¤Safeguarded the load property
¡¡¡¤Environment property at field £¨Systematic / who possess the lightning rod does not ¡¡¡¡there is not the lightning rod system £©
¡¡¡¤Earthed neutral system form £¨TN-S¡¢TN-C-S¡¢TT£©


4£®The surge safeguards the utensil work performance condition how to display £¿
¡¡¡¡BLB's admittedly fiing style power source surge is safeguarded the utensil £ºThe front surface has LED's instruction window £¬It is regular that the green is the work condition £¬The redness is expressed that the surge utensil have to be replaced ¡£
¡¡¡¡The BLB/G may thrust the pulling up style power source surge protection utensil £ºThe next has LED's instruction window £¬It is regular that the green is the work condition £¬The redness is expressed may to thrust pulling up the section necessaries to replace ¡£


5£®The surge protection utensil that the particular Mo of Lai reins in which criterion accords with reaches by means of which to examine £¿£¿
¡¡¡¡The particular Mo lux BLB set produce of Lai obtains the sale permit promulgating through the People's Republic of China Ministry of Public Security £¬The railroad ministry produce quality is examineed the speech £¬Beijing lightning protecting heart examination speech awaits ¡£
¡¡¡¡QX/T10-2002 ¡¶The People's Republic of China scene professions surge is safeguarded the utensil criterion ¡·
¡¡¡¡GB50057-94 ¡¶Building lightning protecting design criteria ¡·
¡¡¡¡GB18802.1 ¡¶ The low pressure distributed system surge is safeguarded the utensil ¡·
¡¡¡¡YD/T1235.1 ¡¶The communication bureau ( stop ) low pressure distributed system is safeguarded the utensil technique demand in the way of the surge ¡·
¡¡¡¡YD/T1235.2 ¡¶The communication bureau ( stop ) low pressure distributed system is safeguarded the utensil quiz means in the way of the surge ¡·
¡¡¡¡QX10.1 ¡¶The surge is safeguarded utensil first section : Performance requirements and eperiment means ¡·
¡¡¡¡GA173 ¡¶Calculating machine information system lightning protecting protector ¡·
¡¡¡¡IEC61643-11 ¡¶The low pressure distributed system surge is safeguarded the utensil ¡·
¡¡¡¡IEC61643-21 ¡¶The telecommunications installation surge is safeguarded the utensil ¡·
¡¡¡¡IEC61024-1 ¡¶Building lightning protecting design criteria ¡·
¡¡¡¡IEC61312-1 ¡¶Thunder and lightning electromagnetic impulse shelter ¡·
¡¡¡¡IEC529£º1989 ¡¶Shell protection rank ¡·Wait ¡£


6£®Particular Mo's lux manufacture of the Lai power source surge protection utensil is divided into some steps of protections £¿
¡¡¡¡Divided into four ranks £ºA's grade ¡¢B's grade ¡¢C's grade ¡¢D's grade
¡¡¡¡A's grade is safeguarded greatly till 150KA ¡¢B's grade is safeguarded greatly till 100KA ¡¢C's grade is safeguarded greatly till 50KA ¡¢D's grade is safeguarded greatly till 10KA ¡£


7£®How divides in the lightning protecting district £¿
¡¡Chiefly follows the following rule and divides in the lightning protecting district £º
¡¡¡¤LPZ0A district £ºDifferent type of substance inner place this district wholly probably suffers directly to be struck by lightning with guides away complete thunderbolt electric current £¬The eletromagnetic field does not obtain whatever attenuation £¬That the category reveals completely not fortify in the district ¡£
¡¡¡¤LPZ0B district £ºDifferent type of thunder and lightning that the substance can not suffer the radius of a ball correspondence that the greater than is chooseed trundleing inner place this district runs and directly is struck by lightning £¬The eletromagnetic field does not obtain whatever attenuation £¬That the category sufficiently reveals stretch to heat the thunder shelter district ¡£
¡¡¡¤LPZ01 district £ºDifferent type of substance inner place this district can not suffer directly being struck by lightning £¬Runing viaes every the conductor electric current £¬It is littleer than the LPZ0B district £»Eletromagnetic field intensity inner place this district probably fails £¬This is decided by shielding the step ¡£
¡¡¡¤Follow-up lightning protecting district of LPZn+1 £ºWhen the necessaries decrease eletromagnetic field intensity further £¬The follow-up lightning protecting district ought to be established in addition £¬Moreover in accordance the follow-up lightning protecting district demand term of the environment to safeguard target demand district selection ¡£

8£®BLB's mould power source surge safeguards the utensil to possess anything to differentiate against BLB/G's mould power source surge protection utensil £¿
¡¡¡¡It is the same with the parameter target that the two funds surges are safeguarded the utensil performance £¬The difference rests with BLB's mould surge protection utensil admittedly the fiing style £¬Interior chip the adoping import parts are make £»But BLB/G's mould surge protection utensil may be thrusted the pulling up style £¬The interior chip adopts the home-made parts to make ¡£


Low pressure electrical equipment section £º
1£® Same's produce of particular Mo's lux manufacture of Lai BLM's minisize circuit breaker against else corporation is contrastd the what preponderance £¿
¡¡¡¡This the corporation BLM's set minisize circuit breaker is our corporation gives birth to designer after many years research £¬Moreover is living to unite oneself and colleague trade produce preponderance the at the same time £¬Draw lessons from the rich experience that travelled together in the home and abroad £¬Open up the fresh generation produce that the design was gived birth to by self ¡£
¡¡¡¡Not merely the quality is good to that produce £¬Being living , great master's mind is go up also by oneself in exterior design £¬Moreover on November 30 , in 2001 through the outside view design review ministries of People's Republic of China country intellectual property £¬Reach the stipulation that such was implement 54th of manual on the basis of 40th of patent law £¬Award all BLM's set of the our corporation minisize circuit breaker exterior design patent rights ¡£It not merely safeguarded the fundamental benefit of our corporation produce manufacture £¬Still more is designing the supremeest affirmation of technique to the mould outside our corporation produce ¡£
¡¡¡¡The mould is designed and is awardded the patent through the country patent office outside this the corporation BLM's minisize circuit breaker £¬Authority must not be not invaded after native the corporation ratification £¬Counterfeit fake badly in case there being the discovery £¬Please rapid together with our corporation gets in touch with £¬We shall take circumstances into consideration encourageing and reward £¡
¡¡¡¡Secret report phone £º(010) 89703333-115


2£®How choose the low pressure circuit breaker £¿
¡¡¡¡Low pressure choosing of circuit breaker £¬The category ought to be employd on the basis of the concrete use conditional selection £¬Choose rated work tension ¡¢Rated current ¡¢Comeeing off the button utensil completely fix electric current and branch to encourage ¡¢Being behind with to be getting near comes off the parameters such as button utensil tension electric current and so on £¬Consulting and follow the protection feature curve that the catalog supplyd chooses the protection feature £¬Moreover require to verify to short-circuit characteristic and sensitivity coefficient ¡£When together with other circuit breaker either else safeguard when possesing the adaption to require between the electrical equipment £¬The selection mould circuit breaker ought to be choose ¡£

3£®BLL1-50 leaks electricity the circuit breaker chiefly is use is living which the situation £¿
¡¡¡¡That fund leaks electricity , and the main use of circuit breaker is living in the hospital operating theatre £¬It is living to maintain above original the leaking electricity circuit breaker superperformance base £¬When overtakeing 6mA when leaking electricity £¬The unit issues the fame warning £¬Yet the button not come off ¡£So not merely being living safeguarded the existence security of a sick person in the extremely great degree £¬But also decrease the malpractice that creates enormously thanks to leaking electricity ¡£The circuit breaker ought to leaking electricity was not merely filled the state nation
Inside blank space £¬But also is living in the concrete use obtain acceping of consumer ¡¢Acclaim ¡£


4£®Molding the casing leaks electricity what distinguishing feature the circuit breaker possess £¿
¡¡¡¤ May get an electric shock as the person safeguards use £¬Also may guarding against is cut off from installation earth fault electric current but conflagration peril that arouses is come into being in the breakdown £¬Moreover to the line load factor ¡¢The short circuit with lacking tension is taked to safeguard the action ¡£
¡¡¡¤ Bulk is little ¡¢The branch snaps that the capability is high ¡£
¡¡¡¤ Rated movement electric current leaking electricity possess 50mA ¡¢100 mA¡¢300 mA¡¢500 MA's four pigeonholes are shiftted ¡£
¡¡¡¤ Rated electric current branch leaking electricity snaps time possess £ºOrdinary mould ¡Ü0.2s£¬Yan Shixing ¡Ü0.4s£¬Yan Shixing £¼0.6S's three pigeonholes are shiftted ¡£


5£®BLM1 molds casing circuit breaker power source hand stirs surely to trade what some kinds systematically possess £¿£¿
¡¡¡¡There are below 4 kinds £ºSlide switch style circuit breaker chain ¡¢Bring circling the laddle circuit breaker chain ¡¢Key chain £¨The circuit breaker need be brought circling laddle either power-driven organization £©¡¢Plank chain at base ¡£

6£®Does which the intelligent annex that the mould frame circuit breaker need to be deployd usually possess ?
¡¡¡¤ Interior annex selection £ºThe branch is encouraged comeeing off the button utensil ¡¢Doorframe ¡¢Assist contact finger ¡¢The closed electromagnetic iron awaits ¡£
¡¡¡¤External annex £ºMechanical interlocking ¡¢Being behind with tension comes off the button controller £¨Instantaneous style £¬Extend the latest fashion £©¡¢Together with microcomputer networking controller special ¡¢Place instruction button £¨Joint ¡¢Eperiment ¡¢Branch snaps £©¡¢Segregation pigeonholes planks ¡¢The gatepost couplet lock awaits ¡£


7£®¡°24Hour with / either 7 days ¡±Does the mould fixed time button possess what distinguishing feature and meritorous service capacity ?
¡¡¡¡It is with 24 hours maybe 7 days that this kind of BLK's programmable fixed time button is fixed £¨One week £©In the interest of the cycle movement £¬Yet may call off inner place one week several days £¬For instance Saturday ¡¢Sunday either else particular dates £¬The fixed time button has leaped these exceptions time does not act £¬Maintain the former condition ¡£

8£®BLM1's set is molded the casing circuit breaker and is possess some kinds of branch break capabilities £¿
¡¡Divided into 3 kinds £º
¡¡¡¤L-'s criterion branch break mould 35/22KA
¡¡¡¤M- is Gao Fenduan mould 50/35KA
¡¡¡¤Gao Fenduan H- is mould 85/50KA


9£®Create the protective shutdown utensil the leaking electricity reason leaped the sluice gate?
Response duration number are £¿

¡¡¡¡The proposal is getd rid of out of line by the load side £¬In case the sluice gate is yet leaped by the circuit breaker £¬Piece directions circuit breaker in itself possess the problem ¡£The sluice gate possess two kinds of probabilities in case not leaping £ºBe therefore that the line is the block leaking electricity indeed £¬The proposal is examineed that the line gets rid of abreast ¡£There is the problem when secondly the line joins the null line £¬Be able to directly not go back after the circuit breaker by the part of return null line up the power source upper reaches £¬The electric current that creates in the leakage current exchangeable utensil can not keep balance and leap the sluice gate £¬Works a telephone switchboard except for the error abreast in proposal check wiring return ¡£
¡¡¡¡Leaks electricity response duration on the basis of national standard GB16917 £¬ It is distinct to be living below the distinct terms £¬The oridinarily household circuit breaker leaking electricity produce £¬Leaking electricity comes off the button value in the interest of 30mA £¬Comes off the button time is smaller than 0.2S £¨GB16917£©¡£The structure examination norm is 0.1S ¡£At the moment two criterions are clashed mutually ¡£


10£®How choose to the low pressure circuit breaker £¿
¡¡¡¡Is that the maximum short circuit branch that will see the circuit breaker chooseing snaps that capability and the operation short circuit branch snaps the capability £¬International GB4048.2 that wiremans commission IEC947-2 and our country equivalent adoptd IEC ¡¶Low pressure switch apparatus and control installation low pressure circuit breaker ¡·Criterion £¬Capability and the operation short circuit branch to the circuit breaker the maximum short circuit branch snaping snaps that the capability act as and clearly and definitely regulate ¡£
¡¡¡¡The circuit breaker chooseing electric gap together with creeping discharge distance are secondly see £¬Fix the electrical equipment produce electric gap £¬Have to coordinate in the light of the low pressure system insulation £¬But but the insulation coordinates is establish to be living instantaneous tension by place restrictions on the is living stipulation shock stands tension £¬Shock tension that instantaneous tension also have to be lower than power system stipulation that but electrical equipment either installation in the system come into being ¡£Hence £º
¡¡¡¡£¨1£©The rated insulation tension of electrical equipment ought to ¡ÝRated voltage of power system
¡¡¡¡£¨2£©The rated shock of electrical equipment is standed tension ought to ¡ÝThe rated shock of power system is standed tension
¡¡¡¡£¨3£©The simultaneous that the electrical equipment comes into being is passed through tension ought to ¡ÜThe rated shock of power system is standed tension ¡£


11£®How four exceedingly low pressure circuit breakers correctly employ £¿
¡¡¡¡£¨1£©TN-C's system ¡£In TN-C's system £¬N's string together with protection string PE shut two acing as one £¨PEN's string £©£¬Consider security £¬Whenever not permit to cut off PEN's string £¬Hence perfectly forbidding in the way of four exceedingly the circuit breaker £»
¡¡¡¡£¨2£©TT's system ¡¢With TN-S's system may be employd four exceedingly circuit breakers to TN-C-S's system £¬Safegrard the security of maintenance person when serviceing in order that being living £¬Yet TN-C-S and TN-S's system £¬The N of circuit breaker exceedingly can only join N's string £¬But PEN either PE's string can be not join £»
¡¡¡¡£¨3£©Fix in the arena that twin power sourcies surely traded £¬Since all neutrality strings in the system £¨N's string £©It is the communications and liaison £¬In order to guarrantee by the power-fail that surely trades £¨Circuit breaker £©Maintenance security £¬Four exceedingly circuit breakers have to be adoptd £»
¡¡¡¡£¨4£©Used the 380/220V's system remainder electric current protection utensil £¨Circuit breaker leaks electricity £©£¬The neutral string have to cut across the protection utensil null sequence electric current exchangeable utensil £¨Core £©£¬Guard against passing of not neutral string £¬Cause the load of 220V possess the divulgence electric current and impedees the movement £¬Ought to choose four exceedingly either to bring neutral string the two exceedingly remainder electric current protection utensil now ¡£



Bearing ¡¢Pressure transmitter section £º

1 KG11's power without work automatic equalization utensil possess the what distinguishing feature £¿
¡¡¡¤ Have the meritorous service rate factor examination system £¬Cause the control accuracy still more accord with the demand ¡£
¡¡¡¤ Output the electric circuit cycle work means in immediate future the person who puts in resects earlier that the queen that queen put in resects ¡£
¡¡¡¤ Passes through when pressure to pass through the pressure pilot lamp shines resects the capacitor which put in gradually ¡£
¡¡¡¤ When being behind with the electric current £¬Being behind with runs the pilot lamp to shine £¬Although meritorous service leading factor displays sluggish queen £¬Yet the capacitor is not at all put in ¡£
¡¡¡¤ The compensation electric current is take a sample , and signal extremity importing resistance is smaller than 0.2 ohm £¬The electric current signal is get since the electric current exchangeable utensil £¬The antijamming capability is powerful £¬The amplitude value be able to withstanded through the power source stringtrain entering attaines the jam of the 2000V impulse ¡£


2£®Power without work and meritorous service rate factor £¿
¡¡¡¡Be living to interchange in the electric circuit £¬The electric power through power source the provideing load is two kinds £ºOne kind is real power £¬One kind is the power without work ¡£
The real power is maintaining the electric power that requires in the way of the electricity installation failure-free operation £¬Also transform the electric power quite right to else shape energy ( mechanical energy ¡¢Light energy ¡¢Heat energy ) the electric power ¡£For instance £º5.5The electric motor of kilowatt is transforing the electric power of 5.5 kilowatts to mechanical energy £¬Spur on that the water pump pumps water either the thresher threshing £»The different luminaires transform the electric power to light energy £¬Feed that people live and the work lighting ¡£The sign of real power is expressed in the way of P £¬There is tile ( W ) in the unit ¡¢Kilowatt ( KW ) ¡¢Megawatt ( MW ) ¡£
¡¡¡¡The power without work is comparatively abstracted £¬It is being used the change against magnetic field of electric circuit internal electric field £¬Moreover used for establishing the electric installation in and is maintained magnetic field electric power ¡£It does not externally act as the meritorous service £¬But energy in the interest of else shapes being the transition ¡£Everyly there is the electromagnetism coil electric installation £¬Establish magnetic field £¬The power without work will be used up ¡£For instance 40 tile fluorescent lamp £¬The 40 much tiles real power besides requires ( current stabilizer also requires uses up section real power ) is come the luminescence £¬Still require the 80 weary left and right sides power without work to feed that the current stabilizer coil establishment alternating magnetic site is employd ¡£Since the fact that it is not externally do work £¬Addressed ¡°Does not there is not meritorous service ¡±¡£The sign of power without work is expressed in the way of Q £¬The unit is weary ( Var ) either Kvar ( KVar ) ¡£


3£®The LM11A's set multifunction display form havees any preponderance £¿
¡¡¡¤ DD digital display audio-visual £¬Effectively avert the parallax reading error
¡¡¡¤ May tension be put up by means of a plank key in the field ¡¢Electric current multiplying power
¡¡¡¤ True virtual value quiz rule £¬There is the higher measurement accuracy equally to the wave pattern that nots be true to the origimal
¡¡¡¤ The measurement data may be incomparably passed on by means of the RS485's serial news dispatch components £¬Be easy to achieving the real time electric network monitoring
¡¡¡¤ May adjust the set form by means of the superordinate engine displays the data to stamp
¡¡¡¤ Software calibrate £¬Need to not unfold the bearing ¡¢Board-like installation £¬The tradition indicator form may be substituted

4How LY-YG's mould pressure transmitter is fixed £¿

¡¡LY-YG's mould pressure transmitter is fixed with the ordinary manometer equally £¬Its place is decided by the application operational mode £º
¡¡¡¤ Gas £ºFixing to be living gets is getting near rim upper part
¡¡¡¤ Liquid £ºFix to be living gets to be getting near the rim lower part either the same place
¡¡¡¤ Vapour £ºOn fixing at the coil either the U's mould tube £¬Being more than gets the pressure rim ¡£


5£®LT-YS's a set intelligent static pressure fluid transmitter is divided into some types on the basis of the composition difference £¿
¡¡¡¤ LT-YS's straight intelligent static pressure fluid transmitter of packing style £¨Single flange £©
¡¡¡¤ Intelligent static pressure fluid transmitter of LT-YSC's mooring rope style
¡¡¡¤ Intelligent static pressure fluid transmitter of LT-YSR's staff style

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Science Park,Beijing,P.R. China 102200