User:LMischler/Img-2018-N

Fig. N1 – Example of circuits supplied from a transformer or from an alternator (DB422640_EN)

Fig. N2 – Block diagram of a generator set (DB422641_EN)

Fig. N3 – Example of an overload curve t = f(I/In) (DB422642_EN)

Fig. N4 – Short-circuit current level during the 3 phases (DB422643_EN)

Fig. N6 – Example of a priority services switchboard supplied (in an emergency) from a standby generator set (DB422644_EN)

Fig. N7 – Restarting of priority motors (ΣP > 1/3 Pn) (DB422645_EN)

Fig. N8 – Generator set- UPS combination for Quality energy (DB422646_EN)

Fig. N10 – Progressive starting of a type 2 UPS rectifier (DB422647_EN)

Fig. N11 – Chart for calculating harmonic distorsion (DB422648_EN)

Fig. N12 – Insulation fault inside a generator (DB422649_EN)

Fig. N13 – Energy transfer direction – Generator Set as a generator (DB422650_EN)

Fig. N14 – Energy transfer direction – Generator Set as a load (DB422651_EN)

Fig. N15 – Availability of electrical power (DB422652_EN)

Fig. N16 – UPS operating in passive standby mode (DB422653_EN)

Fig. N17 – UPS operating in line-interactive mode (DB422654_EN)

Fig. N18 – UPS operating in double-conversion (on-line) mode (DB422655_EN)

Fig. N20 – Shelf mounting (DB422656)

Fig. N21 – Tier mounting (DB422657)

Fig. N22 – Cabinet mounting (DB422658)

Fig. N24 – The essential points that must be connected in system earthing arrangements (DB422659_EN)

Fig. N25 – Circuit breakers are submitted to a variety of situations (DB422660_EN)

Fig. N27 – Generator during short-circuit (DB422661_EN)

Fig. N28 – Current to be taken into account for the selection of the wire connections (DB422662_EN)

Fig. N30 – Ready-to-use UPS unit (with DIN module) (PB116809)

Fig. N31 – UPS unit achieving disponibility and quality of computer system power supply (PB116810)

Fig. N32 – Transformer-energizing inrush current (DB422663_EN)

Fig. N33 – Tripping characteristic of a Compact NSX with electronic trip-unit (DB422664_EN)

Fig. N34 – Tripping characteristic of a Acti 9 curve D (DB422665_EN)

Fig. N35 – Example (DB422666_EN)

Fig. N36 – Lighting technologies (DB422667_EN)

Fig. N37 – LED lamps (DB422671_EN)

Fig. N38 – Compact fluorescent lamps

• 

  (DB422668)

• 

  (DB422669)

Fig. N39 – Discharge lamps (DB422670)

Fig. N42 – A LED is just one small element within a larger construct that is sold commercially as a lamp or an assembled luminaire (DB422681_EN)

Fig. N43 – Illustration of four states of a LED being energized (DB422682_EN)

Fig. N44 – Depiction of earth leakage current test results (DB422683_EN)

Fig. N45 – Current at switching “on” according to voltage angle (zero crossing and 90°) (DB422684_EN)

Fig. N50 – ????? (DB431074)

Fig. N51 – Type 2 surge protection device (PB119915)

Fig. N52 – Surge arrester for information circuit (PB107131-35)

Fig. N53 – Voltage threshold tripping device (DB431075)

Fig. N54 – Miniature circuit breaker, surge protection device and voltage threshold tripping device (PB106392)

Fig. N55 – Outdoor LED lighting protection (DB431083)

Fig. N56 – Shape of the voltage supplied by a light dimmer at 50% of maximum voltage with the following techniques

• 

  (DB422672)

• 

  (DB422673)

Fig. N57 – Percentage of 3rd harmonic current as a function of the power applied to an incandescent lamp using an electronic dimmer switch (DB422674_EN)

Fig. N58 – Magnetic ballasts (DB422675)

Fig. N59 – The various compensation layouts (DB422676_EN)

Fig. N60 – Power supply voltage at switch-on and inrush current

• 

  (DB422677_EN)

• 

  (DB422678_EN)

Fig. N62 – Electronic ballast (DB422679)

Fig. N64 – Shape of the current drawn by a compact fluorescent lamp (DB422680_EN)

Fig. N67 – Examples of control devices (Schneider Electric brand)

• 

  (PB116811)

• 

  (PB116812)

• 

  (PB116813)

• 

  (PB116814)

Fig. N69 – s.i. residual current devices with immunity against impulse currents (Schneider-Electric brand) (PB116815)

Fig. N72 – The main functions of an emergency lighting system (PB116816)

Fig. N74 – Direct on-line starting current characteristics of an induction motor (DB422689_EN)

Fig. N77 – Reduced motor lifetime as a consequence of overheating (DB422690_EN)

Fig. N78 – Tripping curves of overload relays (DB422691_EN)

Fig. N80 – Example of intelligent motor management system with “Advanced Plus” and “High performance” protection and monitoring functions (TeSys T Schneider Electric) (PB116817)

Fig. N81 – The various functions and their combinations forming a motor starter

• 

  (DB422692_EN)

• 

  (DB422693_EN)

• 

  (DB422694_EN)

Fig. N85 – Tripping characteristics of a circuit breaker + contactor + thermal relay (DB422695_EN)

Fig. N86 – Example of a CPS modularity (TeSys U starter controller by Schneider Electric) (DB422696_EN)

Fig. N88 – Example of motor control and protection architecture (DB422697_EN)

Fig. N89 – Example of iPMCC: Okken switchboard and drawers by Schneider Electric (DB422698_EN)