Common fault of graph of careful of high-pressured system graph:
1.High pressure hookup is reasonable; Whether to already ask for those who get Electricity Supply Board to agree.
2.Have without metric and special ark.
3.Choose a standard to pursue whether correct.
4.Protection way is logical; Whole work out a scheme calculates and alternative correct.
5.Into the line, give transformer of line, contact, voltage, reach metric the connection that waits for loop is correct.
6.2 hookup are correct, terminal hookup is all ready, wait into line, contact have without safe closedown device.
7.Model of high-pressured cable norms is correct; Whether to consider to heat up stable problem, have without computation
Common fault of graph of careful of low-pressure system graph:
1.Advocate switch and deserve to give loop switch to break shed ability to whether can satisfy a requirement.
2.Of voltaic transformer change than appropriate, whether to cooperate with ammeter, kilowatt-hour meter.
3.Low-pressure generatrix installation is reasonable, enter switch ark to have without the problem.
4.Transformer capacity computation is correct, capacitance compensation is proper.
5.Deserve to give loop to whether have consideration, lead standards model has inerrancy.
6.Of the choice that protects switch and lead cooperate correct, between fluctuation class alternative how.
7.Protection and metric whether contented standard ask, reach the regulation of power supply branch.
Common fault of graph of careful of graph of system of accident power source:
1.The dynamo starts whether automatically reach automatic switch.
2.Of generator room decorate whether contented normative requirement.
3.Generator room has without equipment of ventilated smoke evacuation, if why is the installation of gasoline tank handled, whether to satisfy a requirement; Lay aside oil estimates the demand that whether accords with branch of local fire control; How is oil depot solved.
4.Change electric place fire control calls the police and how is put out a fire solved, have without establishment of aeriform put out a fire, whether to satisfy normative requirement,
5.How is the smoke evacuation of basement dynamo solved, whether the contented smoke evacuation, requirement that discharges wind.
6.The noise of the dynamo, how is vibration isolation solved, whether to take step.
Control common fault of graph of principle graph careful:
1.Control principle pursues whether contented craft requirement, or use requirement, the operation is convenient, automata is reliable.
2.Control power supply, control element, control appearance, amount of whether reasonable reliable, contact and capacity satisfy a requirement.
3.Material list is complete, norms model is exact.
4.Control box type selecting is appropriate, electric equipment decorates dimension appropriate, whether does the equipment inside casing ply and box suit.
5.Have ask to pursue without technological process or control, or control explains.
6.Blame mark controls box, distribution box, the treatment such as switch box pursues whether all ready, dish the face is decorated reasonable, whether does terminal wiring have by accident, treatment specification is detailed.
Common fault of graph of careful of power system graph:
1.The protection of power system is correct, guide whether wire gauge case cooperates.
2.Each spur track, each paragraphs of line (come by distribution box namely distribution box a paragraph) it is clear whether were its lead standards and tubal diameter already all tagged.
3.Big trunk small switch reachs artery and receive a problem how to be solved.
4.The switch of distribution box spur track, it is clear whether was the norms capacity such as fuse already all tagged.
5.It is clear that distribution box spur track gives line switch capacity to whether already was tagged.
6.Loop number, whether was cop norms already made clear.
7.Lead and tubal diameter cooperate correct.
Power plan careful graph common fault:
1.The direction that power source introduces, the place is proper, have on the graph without make clear.
2.The place of distribution box is proper, whether to facilitate maintenance and operation.
3.Whether did system of electric power distribution consider to manufacture technology, fire prevention partition.
4.Cop passes through floor, wall reachs box of dark outfit distribution to wait to whether leave a hole, when the wall outside wearing waterproof whether to solve.
5.Whether did control line road already have in ichnography express, cop norms has without omit a phenomenon.
6.The model of distribution box, capacity, number, code name reachs installation to wait to whether already all was made clear highly.
7.Whether were the number of the equipment that use phone, capacity and installation height already all made clear.
8.The three-phase of single-phase bear allocates whether to balance.
9.Otherwise wants step-down to start, whether affect other equipment move.
The ground connection that prevent thunder designs common fault
Design of the ground connection that prevent thunder shows relevant issue:
1.The grade that prevent thunder differentiates correct, blueprint has without the specification.
2.Ground connection resistor asks how much the value is, have without the specification.
3.Material is anticorrosive, whether does galvanization ask somewhat, have without the specification.
4.Conductor (include reinforcing steel bar) whether is join used solder, have without the specification.
Receive shine implement design problem:
1.The material that avoids thunder is taken, if be round steel or flat steel norms appropriate.
2.The height of lightning rod and bearing installation are reliable.
3.Avoid thunder leads the installation on mouth of parapet, brim, fastigium reliable.
4.Avoid thunder belt spans sedimentation seam, adjustable seam etc the way is proper.
5.Use steel roof tuss and iron sheet house to wait do receive shine implement reliable.
6.The metallic part of tower above roofing, whether to if tell lever of jellaba, flagpole, antenna, lamp lever, cistern, cooling tower,make reliable connection with the device that prevent thunder.
7.When running paralell with festal colored lantern, the height that avoids thunder is taken whether colored lantern of prep above festival.
Lead way of wire gauge model:
1.Bring the root number that get offline and distance to whether satisfy normative requirement
2.Use post fore-and-aft advocate reinforcing steel bar is done bring when getting offline, whether does the join of reinforcing steel bar satisfy normative requirement, solder whether does length have a demand.
3.Bright apply is brought get offline to be like rainspout with conduit of other and collateral metal, fully tracheal waited to whether make reliable connection.
4.Bright outfit is brought get offline whether did root ministry do the protection that wear a canal.
5.Bright outfit or dark outfit are brought got offline to whether make the checkpoint that break a string, whether to affect building exterior.
6.Use post reinforcing steel bar to do bring got offline to whether make test checkpoint, positional amount is reasonable.
7.Prevented side direction be struck by lightning to whether do basket type to avoid thunder net measure.
Design of ground connection plant installs problem collect:
1.Ground connection and receive 0 whether already overall consideration, enter a line to whether have iterative earth.
2.Programmed control phone, programmed control elevator, computer room, fire control center, control a center, acoustics center, whether to need system of independent ground connection, whether does ground connection resistor satisfy a requirement.
3.Whether to have in same electrical system receive 0 the jumbly phenomenon of ground connection.
4.Skin of substandard of the lamps and lanterns, switchgear, equipment that use phone, safe protection ground connection is reliable, whether does ground connection join satisfy a requirement.
5.Whether did the metallic crust of the electric equipment such as all pipe, ark, box, box make reliable ground connection.
6.Have without antistatic measure, reliable.
7.Whether do the material of body of artificial ground connection and norms satisfy a requirement, anticorrosive processing is reliable.
8.Whether does the amount of body of artificial ground connection satisfy a requirement, if why is soil of tall resistor rate handled, reliable.
9.Have around without body of natural ground connection, whether sufficient undertook using.
10.Use fundamental motherboard, bridge when making ground connection system advocate whether was muscle used solder.
11.The level of reinforcing steel bar is cited outside, place is proper; Have without the phenomenon that crosses waterproof layer, if why be handled, reliable, have without the specification.
12.Whether the mouth sets the door to all be pressed or be isolated from greatly measure.
13.Whether does the embedded deepness of ground connection body satisfy normative requirement.
Lighting system designs common fault
Illume ichnography careful graph common fault:
1.Power source direction, place is logical, photograph number is appropriate, whether to already make clear on the graph.
2.Whether to set the master switch that take a line, whether were loop number and lead standards already all made clear.
3.Whether can built on stilts satisfy normative requirement into line height, whether does electric power, illume assemble a list apart.
4.The place of distribution box is proper, bright outfit dark costume is suitable, whether had position taking tone and size raised a requirement.
5.Whether is each photograph bear balanced, only way size is proper, whether does amount of head of every street lamp satisfy normative requirement.
6.Spur track length is appropriate, voltage drop whether contented and normative requirement, have without computation.
7.Whether does lead root number have by accident, lead root number and tubal diameter cooperate reasonable.
8.Of cop lay way is logical, bright layout and dark layout and configuration whether conform to.
9.Whether does emergency lighting satisfy a requirement, how is power source solved, whether does line, switch line have lamp holder omit a phenomenon.
10.The installation height of local lighting, use voltage, lead is sectional wait reasonable.
The norms model of 11 lamps and lanterns, install means, it is clear whether are installation height and bulb amount tagged.
12.The installation detail drawing of the lamps and lanterns that be not mark is all ready, whether to already have the lamps and lanterns that decorates a requirement make clear.
13.Choice of intensity of illumination is right, have without computation, whether to satisfy a requirement.
Common fault of graph of careful of lighting system graph:
1.It is clear whether is the model of distribution box, number, code name, capacity tagged.
2.Distribution box takes way of the number of wire cable, code name, sectional, canal, it is clear to whether was already tagged.
3.Whether was diameter of each paragraphs of cable or lead standards, canal already made clear to distribution box by distribution box.
4.The switch of loop of distribution box branch (or dissolve is broken implement) it is clear that lead is in charge of diameter to whether already was tagged.
5.How is the wiring of big sectional cable and DE6 switch solved.
6.What various switch protects is alternative how, whether to satisfy a requirement.
Common fault of graph of careful of lighting system graph:
1.It is clear whether is the model of distribution box, number, code name, capacity tagged.
2.Distribution box takes way of the number of wire cable, code name, sectional, canal, it is clear to whether was already tagged
3.Whether was diameter of each paragraphs of cable or lead standards, canal already made clear to distribution box by distribution box.
4.The switch of loop of distribution box branch (or dissolve is broken implement) it is clear that lead is in charge of diameter to whether already was tagged.
5.How is the wiring of big sectional cable and DE6 switch solved.
6.What various switch protects is alternative how, whether to satisfy a requirement.
Common fault of graph of careful of lighting system graph:
1.It is clear whether is the model of distribution box, number, code name, capacity tagged.
2.Distribution box takes way of the number of wire cable, code name, sectional, canal, it is clear to whether was already tagged.
3.Whether was diameter of each paragraphs of cable or lead standards, canal already made clear to distribution box by distribution box.
4.The switch of loop of distribution box branch (or dissolve is broken implement) it is clear that lead is in charge of diameter to whether already was tagged.
5.How is the wiring of big sectional cable and DE6 switch solved
6.What various switch protects is alternative how, whether to satisfy a requirement.
The distribution common fault of fire control equipment
Fire control equipment did not use loop of alone power supply to design common fault:
1.Name of of all kinds fan is promiscuous, circuit is mixed receive;
2.Disappear accuses when room and weak report center are operable, power source is operable also;
3.housetop stabilized voltage pump receives fire control to go up in illume box;
4.Receive pump of catchment of disappear ladder pit go up in box of life pump distribution;
5.Receive the catchment pump of disappear pump room go up in power source of blame fire control;
6.the platoon of small size fan is received in prevent box of distribution of smoke extractor exhaust fan to go up (not with benefit small and do not be, not with fraud small and do it) ;
7.Receive power source of fire alarm device go up in close illume box
Guard a pass strictly as a result of what construction graph examines, just make build construction quality to keep stable, avoided the happening of safe hidden trouble and quality accident effectively, safeguarded interest of broad society public. Of need can look!
8.The norms model choice of high-pressured generatrix is right; Whether are the choice of high-pressured electric equipment and switch ark accorded with.
9.Appearance is deployed all ready, the norms model such as transformer of ammeter, electric current is correct.
10.Voltage transformer, whether is the whole set sex of the norms model such as breaker and high-pressured switch ark accorded with.
