Service manual (VGD 700-3K)
... The block diagram in figure 3, shows the UPS at normal operation from left to right. When a protection circuit is triggered or a fault condition occurs, the output supply is transferred immediately from inverter to AC mains by a bypass relay. The operation principle will be explained in later sectio ...
... The block diagram in figure 3, shows the UPS at normal operation from left to right. When a protection circuit is triggered or a fault condition occurs, the output supply is transferred immediately from inverter to AC mains by a bypass relay. The operation principle will be explained in later sectio ...
Electrical Appliances Testing Policy
... When power boxes are used that enable a number of appliances to be run from one power outlet, care must be taken to ensure that the circuit is not overloaded. Where possible, use power boxes with circuit breakers attached. However it is better to once again request more permanent power outlets. ...
... When power boxes are used that enable a number of appliances to be run from one power outlet, care must be taken to ensure that the circuit is not overloaded. Where possible, use power boxes with circuit breakers attached. However it is better to once again request more permanent power outlets. ...
Power Management in Portable Systems Using MAX II CPLDs
... architectures. There are no DC power differences between the MAX II CMOS FPGA architecture and a CMOS CPLD architecture. The first AC power advantage that a MAX II device has is in the implementation of logic. A MAX II device uses four input Look-Up Tables (LUTs) to implement logic. Equations requir ...
... architectures. There are no DC power differences between the MAX II CMOS FPGA architecture and a CMOS CPLD architecture. The first AC power advantage that a MAX II device has is in the implementation of logic. A MAX II device uses four input Look-Up Tables (LUTs) to implement logic. Equations requir ...
calculated vs. actual short circuit currents for vrla batteries
... Each battery was constant current discharged at 25oC at 4X its rated AH capacity for 20 seconds with voltage and current readings taken at 0.1 second intervals and at 20X for 5 seconds at 0.05 second intervals, per the IEC standard. The voltage and current was recorded using an Agilent 34970 data-lo ...
... Each battery was constant current discharged at 25oC at 4X its rated AH capacity for 20 seconds with voltage and current readings taken at 0.1 second intervals and at 20X for 5 seconds at 0.05 second intervals, per the IEC standard. The voltage and current was recorded using an Agilent 34970 data-lo ...
MAINTENANCE OF MECHANICAL AND ELECTRICAL EQUIPMENT
... mechanical and electrical equipment. Moisture, dirt, and oil cause deterioration of equipment systems. Conditions which cause excess heat must be eliminated. Couplings should be checked for misalignment. In cases of mechanical troubles, always check alignment. Misalignment may result in overheated a ...
... mechanical and electrical equipment. Moisture, dirt, and oil cause deterioration of equipment systems. Conditions which cause excess heat must be eliminated. Couplings should be checked for misalignment. In cases of mechanical troubles, always check alignment. Misalignment may result in overheated a ...
13.Special Diodes Lecture
... conduct well with low forward bias. With further increases in bias it reaches the negative resistance range where current will actually go down. This is achieved by heavily-doped p and n materials that create a very thin depletion region which permits electrons to “tunnel” thru the barrier region. T ...
... conduct well with low forward bias. With further increases in bias it reaches the negative resistance range where current will actually go down. This is achieved by heavily-doped p and n materials that create a very thin depletion region which permits electrons to “tunnel” thru the barrier region. T ...
BD6586MUV
... ●The Separations of the IC Power Supply and Coil Power Supply This IC can work in separating the power source in both IC power supply and coil power supply. With this application, it can obtain that decrease of IC power consumption, and the applied voltage exceeds IC rating 5.5V. That application is ...
... ●The Separations of the IC Power Supply and Coil Power Supply This IC can work in separating the power source in both IC power supply and coil power supply. With this application, it can obtain that decrease of IC power consumption, and the applied voltage exceeds IC rating 5.5V. That application is ...
FT7511 Reset Timer with Fixed Delay and Reset Pulse
... Mode and the reset output, /RST1, is immediately pulled LOW for factory testing. The DSR pin MUST be forced to GND during normal operation. The DSR pin should never be driven HIGH or left to float during normal operation. The DSR pin state should never be changed during device operation; it must be ...
... Mode and the reset output, /RST1, is immediately pulled LOW for factory testing. The DSR pin MUST be forced to GND during normal operation. The DSR pin should never be driven HIGH or left to float during normal operation. The DSR pin state should never be changed during device operation; it must be ...
AP7312
... Thermal protection disables the output when the junction temperature rises to approximately +165°C, allowing the device to cool down. When the junction temperature reduces to approximately +135°C the output circuitry is enabled again. Depending on power dissipation, thermal resistance, and ambient t ...
... Thermal protection disables the output when the junction temperature rises to approximately +165°C, allowing the device to cool down. When the junction temperature reduces to approximately +135°C the output circuitry is enabled again. Depending on power dissipation, thermal resistance, and ambient t ...
TSOP38G36
... Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vi ...
... Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vi ...
UNIT – 1 Explain the principle of operation of a DC Motor. ANS
... 3. (n / T) Characteristic The theoretical speed/ torque (c/s) may be derived from (1) and (2) above by obtaining the torque and speed for various values of current and plotting the co-ordinates on the speed/torque (c/s). The serieswound motor has a large torque when the current is large on starting. ...
... 3. (n / T) Characteristic The theoretical speed/ torque (c/s) may be derived from (1) and (2) above by obtaining the torque and speed for various values of current and plotting the co-ordinates on the speed/torque (c/s). The serieswound motor has a large torque when the current is large on starting. ...
TRAX Transformer and Substation Test System
... specifically to measure the resistance of all types of inductive circuits. With high output current and high compliance voltage (100 A with up to 50 V true DC voltage), it effectively tests high and low-voltage windings on all power transformers. Thanks to dual measurement inputs, two windings can b ...
... specifically to measure the resistance of all types of inductive circuits. With high output current and high compliance voltage (100 A with up to 50 V true DC voltage), it effectively tests high and low-voltage windings on all power transformers. Thanks to dual measurement inputs, two windings can b ...
Diode Thermal Analysis (Appendix B).
... Both forward voltage and reverse recovery losses are dependent on the diode used in the circuit, as well as the circuit characteristics. In many cases, there are trade-offs to any change made in diode characteristics. For instance, decreasing the reverse recovery time in a diode will generally cause ...
... Both forward voltage and reverse recovery losses are dependent on the diode used in the circuit, as well as the circuit characteristics. In many cases, there are trade-offs to any change made in diode characteristics. For instance, decreasing the reverse recovery time in a diode will generally cause ...
K. Long, A.Z. Kattamis, I.-C. Cheng, H. Gleskova, S. Wagner, J.C. Sturm, M. Stevenson, G. Yu, and M. O’Regan, “Active Matrix Amorphous-Silicon TFT Arrays at 180 oC on Clear Plastic and Glass Substrates for Organic Light-Emitting Displays,” IEEE Trans. Elec. Dev. TED-53, pp. 1789-1796, (2006).
... Furthermore, active-matrix OLED displays (AMOLEDs) have wider applications than passive matrices because AMOLEDs can more easily achieve high resolution, large size, and lower power consumption. To date, several groups have demonstrated AMOLEDs on glass substrates driven by amorphous-silicon (a-Si) ...
... Furthermore, active-matrix OLED displays (AMOLEDs) have wider applications than passive matrices because AMOLEDs can more easily achieve high resolution, large size, and lower power consumption. To date, several groups have demonstrated AMOLEDs on glass substrates driven by amorphous-silicon (a-Si) ...
Catalogue Sheet
... he minimum value of the illumination required by Sentences (1) and (2) shall not be less than 1 lx.” You have probably already noticed the short lamp life of these light sources. Who would be interested in using a bulb that only lasts 50 hours? The answer is simple: such a lamp produces 25% to 30% ...
... he minimum value of the illumination required by Sentences (1) and (2) shall not be less than 1 lx.” You have probably already noticed the short lamp life of these light sources. Who would be interested in using a bulb that only lasts 50 hours? The answer is simple: such a lamp produces 25% to 30% ...
DCS-E 3kW Series DC Power Supplies
... Only qualified personnel who deal with attendant hazards in power supplies, are allowed to perform installation and servicing. Ensure that the AC power line ground is connected properly to the Power Rack input connector or chassis. Similarly, other power ground lines including those to application a ...
... Only qualified personnel who deal with attendant hazards in power supplies, are allowed to perform installation and servicing. Ensure that the AC power line ground is connected properly to the Power Rack input connector or chassis. Similarly, other power ground lines including those to application a ...
MAX13481E/MAX13482E/MAX13483E ±15kV ESD-Protected USB Transceivers with External/Internal Pullup Resistors General Description
... Connect VL and VBUS to system power supplies (Table 1). Connect VL to a +1.6V to +3.6V supply. Connect VBUS to a +4.0V to +5.5V supply or to the VBUS connector. Alternatively, these parts can derive power from a single Li+ cell. Connect the battery to VBUS. VTRM remains above +3.0V for VBUS as low a ...
... Connect VL and VBUS to system power supplies (Table 1). Connect VL to a +1.6V to +3.6V supply. Connect VBUS to a +4.0V to +5.5V supply or to the VBUS connector. Alternatively, these parts can derive power from a single Li+ cell. Connect the battery to VBUS. VTRM remains above +3.0V for VBUS as low a ...
AC Sources - Operating 3.8.1 3.8 ELECTRICAL POWER SYSTEMS
... manufacturer. When modified start procedures are not used, the time, voltage, and frequency tolerances of SR 3.8.1.7 must be met. --------------------------------------------------------------------Verify each EDG starts from standby conditions and achieves steady state voltage ≥ 6210 V and ≤ 7260 V ...
... manufacturer. When modified start procedures are not used, the time, voltage, and frequency tolerances of SR 3.8.1.7 must be met. --------------------------------------------------------------------Verify each EDG starts from standby conditions and achieves steady state voltage ≥ 6210 V and ≤ 7260 V ...