Arc lamp power supplies, Specification- Brochure

Arc light sourcesArc lamp power supplieswww.lot-qd.com/lightsources1LOT-QuantumDesign Europe. For your local contact click at: www.lot-qd.comE-mail: lightsources@lot-qd.comOur arc lamps require direct current, if it were possible as by batteries. Direct current is generally provided by rectifiers connected to the AC mains. These are special power supplies with built in current smoothing and limit.Current and light rippleDirect current generated by rectification always has a current ripple (superimposed on the direct current). Current ripple is the main factor of cathode fissuring and therefore greatly influences lamp behavior in terms of arc stability, constancy of luminous flux or radiant power and lamp life. The maximum lamp-manufacturer-permitted ripple va-lues are <10% for lamps up to 3000 W. Commercially, you can find rectifiers with values of 1 up to 5%. But for the most (scientific) applications the light ripple is most important. This not only depends on the current ripple, but on the operation conditions of the lamp itself (such as cooling). The typical light ripple of our arc light sources is 1%. Arc lamps require special power supplies and ignitersTo ignite an arc lamp it is necessary to ionize the in-sulation gas between the electrodes. This is done by a high voltage discharge or flash. To get the flash into a stable stationary arc discharge, certain conditions must be met:n A sufficient high ignition voltage from the ignitor n A sufficient high electrical energy in the ignition sparkn A sufficient quick start of current flown An adequate open circuit voltage.The two last conditions must be achieved by the power supply. Some arc lamps require constant current, others constant power for optimal operation. The power supplies must be designed to meet the operation condi-tions. We offer two different types:n Fixed set current or power for one individual lampn Variable output current for different lamps within a certain power range.Current or power adjustDuring operation the tungsten from the electrodes evaporates slowly and deposits on the inside of the lamp envelope. This reduces the radiated output by up to 30% during lamp life. If your application requires constant light output, the lamp current must be adjusta-ble within a certain range. You will also need a display at least for the lamp current. Such power supplies of course are more expensive than those delivering a fixed current only. Compared to the latter they have the major advantage of much more flexible use. Variable output current allows operating different Xe, Hg(Xe) and Hg arc lamps with the same power supply. DC mercury arc lamps must be operated under powercontrol. Therefore our Hg arc lamp power suppliesoperate in constant power mode only. DC mercury arc lamps must be operated under power control. Therefo-re our Hg arc lamp power supplies operate in constant power mode only.Constant light outputThe output intensity of a new lamp continously decre-ases during lamp life. To irradiate your targets with constant intensity (during lamp life) you must start a new lamp with 80% of the rated lamp current or power value and then gradually apply higher current. When the rated current value is reached the lamp is statistical-ly used up. Note that not all our power supplies are suited for adju-sting the current or power.Arc light sourcesArc lamp power supplies, specificationswww.lot-qd.com/lightsources2LOT-QuantumDesign Europe. For your local contact click at: www.lot-qd.comE-mail: lightsources@lot-qd.comSpecifications LSN151Power supply for 75 W Xe lampsLSN152Power supply for 100 W Xe lampsLSN153Power supply for 150 W Xe lampsLSN161Power supply for 100 W Hg lampsLSN150/2Universal power supply for 50 -150 W arc lampsInput ratingsLine voltage: 90 - 250 VAC48 - 63 Hz90 - 250 VAC48 - 63 Hz90 - 250 VAC48 - 63 Hz90 - 250 VAC48 - 63 Hz90 - 250 VAC48 - 63 HzLine regulation: =10-3 typ. = 10-3 typ. = 10-3 typ. = 10-3 typ. = 10-3 typ.Power consumption: 130 VA 130 VA 250 VA 155 VA 255 VAEfficiency factor: = 0.7 = 0.7 = 0.7 = 0.7 = 0.7Output ratingsPower: 86 W max. 110 W max. 174 W max. 100 W ± 3% 175 W ± 3%Current: 5.4 A ± 3% 7.0 A ± 3% 7.5 A ± 4% Load-dependentconstant power2 - 8.5 A ± 3%AdjustableVoltage (line-isolated, 2.3 kV)Open circuit: 60 V 60 V 70 V 60 V 60 VLoaded: Load-dependent Load-dependent Load-dependent Load-dependent Load-dependentCurrent ripple: < 1% < 1% < 1% < 1% < 1%Light ripple1): 1% typ. 1% typ. 1% typ. 1% typ. 1% typ.Stability: = 10-2 typ. @ 8 h = 10-2 typ. @ 8 h = 10-2 typ. @ 8 h = 10-2 typ. @ 8 h = 10-2 typ. @ 8 h Operation mode: Constant current Constant current Constant current Constant power Constant currentRequired interface: LSE140 LSE140 LSE140 LSE142 LSE1401) As per IEC 60904-9, depending on lamp type and operation conditions (value is typical for our lamps in our housings)Power switchLamp current adjustSwitch for displayingcurrent, voltage and powerLamp startDisplayFront panel of LSN150CBADimensions [mm]Weight [kg]A B CLSN150/2 / LSN152 / LSN153 195 260 115 3LSN151 / LSN161 165 240 85 2Arc light sourcesArc lamp power supplies, specificationswww.lot-qd.com/lightsources3LOT-QuantumDesign Europe. For your local contact click at: www.lot-qd.comE-mail: lightsources@lot-qd.comFront panelDimensions [mm]Weight [kg]A B CLSN261 / LSN271 195 260 115 3LSN254 286 353 113 6,4 SpecificationsLSN261Power supply for 200 W Hg lampsLSN271Power supply for 200 W Hg(Xe) lampsLSN254Power supply for 150 - 300 W Xe, Hg(Xe) lampsvariable lamp currentInput ratingsLine voltage: 90 - 250 VAC48 - 63 Hz90 - 250 VAC48 - 63 Hz100 - 240 VAC50 - 60 HzLine regulation: = 10-3 typ. = 10-3 typ. = 10-3 typ.Power consumption: 365 VA 400 VA, max 500 VA, maxEfficiency factor: = 0.7 = 0.7 = 0.7Output ratingsPower: 200 W ± 3% 300 W max. 330 W max.Current: Load-dependent, constant power8 A max., constant power6,5 - 16 A, adjustableVoltage (line-isolated, 3.25 kV)Open circuit: 110 V 70 V 200 V DCLoaded: Load-dependent Load-dependent Load-dependent 35 V DC max.Current ripple: < 1% < 1% < 1%Light ripple1): 1% typ. 1% typ. 1% typ.Stability: = 10-2 typ. @ 8 h = 10-2 typ. @ 8 h = 10-2 typ. @ 8 h Operation mode: Constant power Constant power Constant current1) As per IEC 60904-9, depending on lamp type and operation conditions (value is typical for our lamps in our housings)CBAArc light sourcesArc lamp power supplies, specificationswww.lot-qd.com/lightsources4LOT-QuantumDesign Europe. For your local contact click at: www.lot-qd.comE-mail: lightsources@lot-qd.comFront panelCBADimensions [mm]Weight [kg]A B CLSN265 / LSN555 385 342 145 11LSN575 / LSN557 385 342 145 11SpecificationsLSN265Power supply for 200 W -500 KWHg lampsLSN555Power supply for 450 W -1 KWXe lampsLSN575Power supply for 350 W - 1 KW Hg(Xe) lampsLSN557Power supply for 450 W - 1.2 KW Xe lampsInput ratingsLine voltage: 100 - 240 VAC,50 - 60 Hz90 - 250 VAC48 - 63 Hz90 - 250 VAC48 - 63 Hz200 - 240 V AC ±10%50 - 60 HzLine regulation: = 10-3 typ. = 10-3 typ. = 10-3 typ. = 10-3 typ.Power consumption: 800 VA max. 1500 VA 1500 VA 1700 VAEfficiency factor: = 0.7 = 0.7 = 0.7 = 0.7Output ratingsPower: 200; 350; 500 Wswitchable1050 W max. 1050 W max. 1250 W max.Current: Lamp-dependant 21 - 50 A ± 2%, adjustable12 - 28 A ± 2%, adjustable21 - 50 A ± 2%, adjustableVoltage (line-isolated, 3.25 kV)Open circuit:200 V DC max. 190 V DC 190 V DC 200 V DC max.Loaded: Load-dependent Load-dependent Load-dependent Load-dependent, 30 V DC max.Current ripple: < 0.3% < 0.3% < 0.3% < 0.3%Light ripple1): 1% typ. 1% typ. 1% typ. 1% typ.Stability: = 2x10-2 typ. @ 8 h = 10-2 typ. @ 8 h = 10-2 typ. @ 8 h = 10-2 typ. @ 8 h Operation mode: Constant power Constant current Constant current Constant current1) As per IEC 60904-9, depending on lamp type and operation conditions (value is typical for our lamps in our housings)