Alternators: LSA 5, XL8 Ratings 5 Hz 5 rpm kva 66 V 4 poles kva / kwe - Cos φ =,8 3 phase Duty / Ambient Continuous duty (BR) / 4 C PR* / 4 C PR* / 7 C Temperature Rise Class.H/5 K Class.F/5 K 5 K 63 K Tension (*) 63 V - 66 V 63 V - 66 V 63 V - 66 V 63 V - 66 V kva 84 kwe 6 459 696 76 (*) Y connection * PR= Peak rating Reactances (%) - class H / 66 V - kva Short-circuit ratio Direct axis synchronous reactance Quadrature axis synchronous reactance Direct axis transient reactance Quadrature axis transient reactance Direct axis subtransient reactance Quadrature axis subtransient reactance Negative sequence reactance Zero sequence reactance Stator leakage reactance Rotor leakage reactance unsaturated saturated Kcc,53 Xd,5,887 Xq,3,3 X'd,8,94 X'q,3,3 X''d,6,7 X''q,58,34 X,4, X Xs or Xl Xr,9,63,8 Time constants ( s ) Open circuit direct axis transient time constant Open circuit quadrature axis transient time constant Short-circuit direct axis transient time constant Short circuit quadrature axis transient time constant Open circuit direct axis subtransient time constant Open circuit quadrature axis subtransient time constant Subtransient direct axis time constant Subtransient quadrature axis time constant Armature time constant T'do,88 T'qo NA T'd,9 T'q NA T''do,36 T''qo,4 T''d, T''q,8 Ta,4 Resistance Armature resistance X/R ratio Zero sequence resistance Negative sequence resistance Ra,3 X/R 9,478 R 3,67 R,84 Other data - Class H /66 V - kva no load excitation current full load excitation current full load excitation voltage Air flow Harmonic rate (**) total harmonic content line to line, at no load or with linear and balanced load. io ( A),7 ic (A) 4,7 uc (V) 5 M3/s,5 % NA Efficiencies ( % )(3 phase - Classe H - 66 V - kva) COS Ø =,8 COS Ø = 5% 5% 75% % % 5% 5% 75% % % 9,9 95,4 95,9 95,9 95,9 93,4 96, 96,8 97, 97,
Alternators: LSA 5, XL8 5 Hz 5 rpm kva 66 V 4 poles Efficiencies P.F. / P.F.,8 PF 98 PF,8 97 Efficiency - Rendement en % 96 95 94 93 9 9 9 5% 5% 75% % Load - Charge - % of rated electrical kw Transient voltage variation : 66 V - 5 Hz Transient voltage dip curve versus load impact 3% 5% Voltage dip - (% of rated voltage) % 5% % 5% PF = % PF =,8,,4,8,,6, Inrush - Appel de charge - % of rated kva Transient voltage rise curve versus load rejection % Voltage rise - (% of rated voltage) 5% % 5% PF =,8 %,,5,5,75,,5,5 kva shedding at P.F. - % of rated kva
Alternators: LSA 5, XL8 5 Hz 5 rpm kva 66 V 4 poles 3 phase short-circuit curves at no load and rated speed ( Y connection ) 4 Isc (Per unit - rms) Heat damage curve Symmetrical phase to neutral short circuit Symmetrical two phase short circuit Symmetrical three phase short circuit short circuit at generator terminals 8 6 4,,, Time (sec) Capability curve ( PQ diagram ),7 p.f.,8 p.f.,9 p.f. kwe / rated kva,944 p.f.,9 p.f.,875 p.f.,8 p.f.,7 p.f.,9,6 p.f.,8,7,6 p.f.,5 p.f.,6,5 p.f.,4 p.f.,5,4,4 p.f.,3 p.f.,3,3 p.f., p.f.,, p.f., p.f.,, p.f. - -,8 -,6 -,4 -,,,4,6,8 kvar / rated kva
SPECIALLY ADAPTED FOR GENSET APPLICATIONS The alternator is designed to be suitable for typical generator set applications,such as: backup, base production, cogeneration, marine applications, rental, telecommunications, etc. COMPLIANT WITH INTERNATIONAL STANDARDS The alternator conforms to the main international standars and regulations IEC 634, NEMA MG., ISO 853/3, CSA UL 446, UL 4B on request, marine regulations, etc. It can be integrated into a CE marked generator The alternator is designed, manufactured and marketed in an ISO 9 and ISO 4 environment. TOP OF THE RANGE ELECTRICAL PERFORMANCE - Class H insulation. - Standard 6-wire winding, /3 pitch for Low Voltage, and 5/6 pitch for Medium & High Voltage - Other voltages are possible with optional adapted windings. - High efficiency and motor starting capacity. EXCITATION AND REGULATION SYSTEM SUITED TO THE APPLICATION The alternator can be supplied with 'AREP+PMI' or PGM excitation system, according to the alternator specification. standard excitation system is AREP with R449 A.V.R. Excitation system regulator AREP+PMI PMG C.T. R76 R73 mains // mains // 3 phase sensing external Pot. R 449 std D 5 included included voltage regulation accuracy ±,5% PROTECTION SYSTEM SUITED TO THE ENVIRONMENT The alternator is IP 3 in standard. - Standard winding protection for clean environments with relative humidity 95%, including indoor marine environments. s : IP43 - IP44 : filters on air inlet and air outlet, water mist separator Winding protections for Harsh environments and relative humidity greater than 95% Space heaters. Thermal protection for winding.(pt) REINFORCED MECHANICAL STRUCTURE USING FINITE ELEMENT MODELLING -Compact and rigid assembly to better withstand genset or engine vibrations. - Steel frame. - Cast iron flanges and shields. -Twin-bearing and single-bearing versions designed to be suitable for most engines on the market. -Half-key balancing. -Regreasable bearings. ACCESSIBLE TERMINAL BOX PROPORTIONED FOR OPTIONAL EQUIPMENT - Easy access to the voltage regulator and to the connections. - Possible incorporation of accessories for parralleling, protection and measurement. Regulation options COMMON DATA insulation class winding pitch terminals drip proof altitude overspeed H /3 (n 6S) 6 IP 3 m 5 min- excitation system regulation accuracy (*) sustained short-circuit current Total harmonic (**) TGH / THC waveform : NEMA= TIF - (**) Waveform : C.E.I. = FHT - (**) (*) steady state duty. (**) total harmonic content line to line, at no load or full rated linear and balanced load. AREP+PMI ou PMG ±,5 % 3% (3 IN) : S < 3,5% < 5 < % Products and materials shown in this catalog may, at any time, be modified in order to follow the latest technological developments, improve the design or change conditions of utilization. Their description cannot, in any case, engage LEROY-SOMER liability. The values indicated are typical values.
Thermal damage curve Stator current (per rated current) 3,5,5 Negative phase sequence current (per rated current) 3 Maximum duration (seconds) Unbalanced load curve Maximum duration of fault (seconds) Stator Earth Fault Current Fault Current (A) 75 5 5 A B C C : Extensive damage B : Considerable damage A : Acceptable damage 3 4 5 6 7 8 9 Maximum duration of fault (seconds)