NSL-10 STANDARD LIFE MODULAR CAPACITORS
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1 ADVANCE P.F. CORRECTION SOLUTIONS FROM NEPTUNE-DUCATI Channel Partner Ph: , Industrial Trading Co. 10B Dharma Super Market, Kim Char Rasta, Contact : Paresh Gandhi ( ) Fax: , itcsurat.sales@gmail.com N H No 8, Dist: Surat , Guj, India
2 NSL-10 STANDARD LIFE MODULAR CAPACITORS Because of their modular construction, NSL10 capacitors are particularly suitable in the production of automatic power factor correction systems. They are also used in power factor correction of motors and transformers. The NSL10 threephase capacitor is made with three single-phase capacitors. The three switch-on reactors are made of copper windings. The external case, made with insulating material, (Class V2 according to UL 94 standard flammability classification) eliminates the need to provide a protective earthing connection. The easy assembly using "small feet" make the capacitor a universal one. 1) Capacitive elements provided with a sensitive "FLOPPY CAP" over pressure protection device - low loss metallized polypropylene film as dielectric, impregnated with polyurethanic resins. 2) Excellent dissipation of the internally - generated heat. The triple round - vertical structure improves the heat dissipation are for a better cooling of the internally-fit modules are used. A lower dielectric means an extended life expectancy of the capacitor. 3) The Modular design permits a most simple mechanical assembly - No extra accessory metal-parts are required. Electrical connections are made by copper-links available on request. Total Modularity New Assembling System Dry Type Low Losses Non Polluting Double Protection Safety Device Standard Voltage (Un) : 440/450V Other Voltage on request (Un) : 415V - 550V Rated frequency : 50 Hz Capacitance tolerance : % A.C. test voltage bet. terminals : 2, 15 Un per 10" A.C. test volt. bet. terminals & case : 3 kv per 10" Installation : Internal Ambient air temperature category : C Altitude : < 2000 m Service : Continuous Protection degree : IP 40 Discharge resistor : Internal (50V after 1 min) Maximum permissible current : 1.3 In maximum Terminals : 3 x M 8 Dielectric losses : < 0.3 W/kvar Reference standard : EN /2 NSL-10 MODULAR TYPE HEAVY DUTY CAPACITORS NEPTUNE-DUCATI NSL-10 HD range for use in the power factor correction of industrial & office electrical networks. It is a series of quality products which has been designed to cater to the most demanding users where operating conditions are particularly critical and where reliability is of prime importance. The NSL-10 HD range also satisfies the demand for a product with durability and longer life. Total lack of air between the capacitors plates ensures that the dielectric - and hence the capacitor too-lasts a long time. The dielectric consist of heavy films of polypropylene. The capacitors are designed with a very low loss dielectric & high quality film is used. They combine these high-tech advantages with the safety and reliability of the traditional technology of impregnation used for Medium Voltage capacitors. The capacitive elements are housed in a cylindrical container made of aluminum. All of the materials employed are non-toxic and biodegradable. Thanks to the above characteristics, the capacitor has an expected life which greatly exceeds 1,00,000 hours. It is characterized by the capability of bearing high harmonic components up to R.M.S. Currents level in excess of 2 In. Total Modularity New Assembling System Oil Impregnated Low Losses Operation life>1,00,000 hrs Double Protection Safety Device Standard Voltage (Un) : 440/450V Other Voltage on request (Un) : 415V - 550V Rated frequency : 50 Hz Capacitance tolerance : % A.C. test voltage bet. terminals : 2.15 Un per 10" A.C. test voltage bet. terminals & case : 3 kv per 10" Installation : Internal Ambient air temperature category : C Altitude : < 2000 m Service : Continuous Protection degree : IP 30 Discharge resistor : Internal (50V after 1 min) Maximum permissible current : 2 In maximum Terminals : 3 x M 8 Dielectric losses : < 0.3 W/kvar Reference standard : EN /2
3 MG UNIT-PLATE MOUNTED LL-10/NSL-10 FLOPY CAP UNITS Neptune-Ducati MG Units offer the same advantages & features as at of LL-10 / NSL-10 and have been specifically designed for fitting in APFC Panels. They not only offer space saving, easy installation but better life then enclosed and 3 phase cylindrical capacitors. Safety cap is provided on terminals of each cell & main terminals for protection. The placement of an insulating container between the capacitor element and the metal case, combine with the embedding of the capacitor element in resin, make the capacitor extremely safe from both an electrical point of view (ground insulation) and in terms of resistance to vibrations. All capacitors are equipped with a safety device conforming to EN /2. Space Saving With Terminal Protection Resistance to Vibration Mountable in APFC Panel Easy Installation Easy Maintenance This safety feature has been devised using a special (patented) constructive technique; if a fault occurs, the device breaks both the connections, leaving the insulation of the case intact and preventing the capacitor from exploding or burning. In the event of a permanent short circuit, the current causes the dielectric to decompose and form gas: the resulting buildup of pressure pushes up the part of the lid where the terminals are mounted, thus breaking the internal connections and stopping the flow of current. The device is designed and duly dimensioned for each size of capacitor to ensure the most effective and fastest interruption with both high and low short circuit currents (up to 10,000 A). Standard Voltage (Un) - 440/450 V Other Voltage on request (Un) - 415V- 550 V Rated Frequency - 50 Hz Capacitance Tolerance % A.C. Test Volt. between terminals Un x 10 A.C. Test Volt. between terminals - 3kV x 10 and enclosure Installation - Internal 0 Ambient air temperature category C Temperature Class - -40D Altitude - < 2000 m a.s.l.. Service - Continuous Discharge Resistor - 10% of Un in 20 sec. Maximum permissible current - 4 In maximum Connection - Delta Limiting Reactors - NIL Terminals - 3 x M6 (upto 30 KVAR) Terminals - 3 x M8 (above 30 KVAR) Dielectric losses - < 0.3W/kvar Standards - EN /2 MODULO50 LONG LIFE LL-10 CYLINDRICAL CAPACITOR BANK Neptune-Ducati LL-10 Mono16 or Long Life Modulo50 series - the capacitors making up the new series MONO16 / MODULO50 are manufactured using elements wound with the new PPMh film and housed in metal cases with metal lids. The parts are assembled by crimping to ensure perfect airtightness of the system and efficient operation of the over pressure safety device. The use of oil impregnation technology greatly enhances the capacitor s performance in terms of heat dissipation as well as ensuring a long life and excellent ground insulation. This series is used in practically all Ducati energia power factor correction systems (fixed or automatic) which rely on single-phase capacitors. In fact, the abovedescribed characteristics make these capacitors especially suitable for continuous duty under highly demanding conditions inharmonic rich environments. Standard Voltage (Un) V Rated Frequency - 50 Hz (60 on request) Capacitance Tolerance % Dielectric Losses - < 0.2 W/kVAr Altitude - < 2000m a.s.l. Duty - Continuous Voltage range V Protection rating - IP 00 Test Volt. (AC) between terminals - 2,15 Un x 2 s Test Volt. (AC) between terminals - 3kV x 10 s and case Temperature class - -25/D Terminals - Double faston (M5 bolt for Q > 8.33 kvar Max. inrush current In Max overload In - 4 x In Life expectancy - > h - 25/D > h - 25/C Max dv/dt - < 100 V / s Standards - IEC _
4 HARMONIC CIRCUIT FILTER REACTORS FOR LOW VOLTAGE Copper Winding High Linearity H-Class Insulation Low Temperature Rise Low Losses Vacuum Impregnated Applications Harmonic generated by non-linear loads such as variable speed drives or other static power conversion equipment have grown rapidly in recent years. Harmonic currents and the voltage distortion, created by these currents have devastating effects on power supply and distribution systems and its connected loads. This can result in failure of power factor correction capacitors due to overloading, system resonance, overheating of cables and transformers as well as misoperation of PLC s, computer and other sensitive applications. A present method to treat harmonic problems is the use of filter circuit reactors combined with power capacitors in detuned and tuned filters. As well as the improvement of the power factor and the power quality, harmonics are also absorbed from the networks. Furthermore, a critical amplification of the current harmonics caused by a parallel resonance between the power capacitors and the inductances of the power supply system can be avoided. Dimensioning The dimensioning of the filter circuit reactors is based on the recommendation of allowable limits of voltage harmonics in public and industrial networks according of IEC In case of higher harmonic loads in networks, special designed filter circuit reactors have to be used. The actual loads can be detected by means of a harmonic analysis. The measured values from the basis for the dimensioning of the filter circuit reactors. Design Features Neptune filter circuit reactor are designed as three-phase reactors with an iron core and air gap. Harmonic Filter Reactors are made out of highest quality material and very stringent quality control. It has been designed with properties like low temperature rise and lower flux density so that it can operate in worst conditions of ambient and harmonic overloads. They offer very good degree of linearity. Cheaper and non-linear reactors may trigger undesirable chain phenomena during periods of operation with high harmonic values, such as reducing in the inductance with consequent increase in the resonance frequency of the LC group, which would drain off more harmonic current, further reducing its inductance and overload the reactor more and more. Reactors are available with filtering factor of 5.6%, 7% and 14% in 5, 7.5, 10, 12.5, 15, 20, 25, 50, 75 and 100 KVAr rating.any other filtering factor and rating can be made on request. Losses The 50 Hz losses are comparatively low but when the filter circuit reactors are installed into the cabinets, they are charged with additional currents, predominately those of the 5th, 7th & 11th harmonics. Then the total heat losses dissipated can be of a level whereby they have to be extracted from the cabinets, by means of fans. Terminals The terminals for filter circuit reactors are designed as cable terminals (d=8,5mm). Rated Voltage : 3 x 415/440V Rated (KVAr) : kvar Frequency : 50 Hz Constructional Max. Voltage : 1000 V Test Voltage : 5000 V Filtering factors / Tuning freq. : 5.6% (210 Hz), 7% (189 Hz) & 14% (133 Hz) Tolerance of inductance : ±3% Linearity (L> 0.95 x Ln) : 200% o Ambient temperature + 55 C Winding material : Cu Insulation class : H Cooling method : Natural cooling (AN) Installation : Indoor Protection degree : IP 00 Operating altitude : 1000m above sea level at rated operation o Temp. sensor (normally closed) : 155 C Reference standard : IEC
5 AUTOMATIC POWER FACTOR CONTROLLER - RM RM Power Factor Controllers are used for measurement and control of power factor control units for central reactive power compensation. The Power Factor measured by Neptune RM is compared with the set values and in order to provide necessary compensation. Power Factor Controller switches capacitor banks ON and OFF automatically. RM is 1-phase micro controller relay, designed for above application in 144x144 case for flush mounting with rear plug-in connectors. In addition, Neptune RM displays the following values. NEPTUNE 1) Power Factor 2) Cos phi 3) Phase-Phase voltages (VAC) 4) 1-Phase current (I) 5) 1-Phase active power (W) 6) Total active power (IW) 7) 1-Phase reactive power (Var) 8) 3-Phase apparent power (VA) Measurement of A,V,PF,CosPhi,W,VAr,VA Compensation for Reactive Power Auto/Manual modes selector Automatic calculation of C/k value Designed to use with current transformer Program entry for targeted cos phi value CONTROL AND MENU OPERATIONS All settings are made through the Menu. The set values, except operating mode are kept in memory even if the device is switched off. When it is switched on, it starts compensation with the values stored in the memory in Automatic Operating Mode. After entering Menu, if you don t make any adjustment during 20 seconds, RM operates with the previously stored values. To quit Menu, UP-DOWN buttons are pressed until the ESC symbol is displayed and then SET button is pressed. RM Series Microcontroller based programmable RM series relays are manufactured with 8 and 12 capacitor steps. They are designed 144x144 mm case for flush mounting with rear plug in connectors. It can work either in automatic or manual mode. NAAC-3P Series are ultimate solution for compensation of unbalanced loads. Further to RM series standard features, NAAC-3P series controllers function as if a reactive energy meter. The Compensation is realized by measuring the reactive power of system, through 3 current transformers from 3 phases. This makes NAAC-3P Series a unique solution for unbalanced load compensation. Features (RM Series & NAAC-3P Series) > Measurement of A,V, PF, Cos phi, W, VAr, VA > Compensation for Reactive Power > Automatic /Manual mode selection with indicator light > Automatic calculation of C/k value > Program entry for targeted cos phi value > Number of capacitor steps are user definable > The consequent switching time between capacitor steps is adjustable from 2 to 50 seconds > C+NORMAL/C-condition lights indicate actual system state > Over Voltage, Insufficient Compensation, Over Compensation state alarm indicator lights with output contact > Adjustable programmable Over Voltage protection for capacitor blanks > Micro controller based digital design complying with international standards > For flush mounting with rear panel connectors > Designed to use with current transformer (.../5A) Technical Data (for RM Series & NAAC-3P Series) Power supply : 220,230, 240 VAC (Phase-Neutral) 380, 400, 415V AC (Ph.-Ph.)± 10%, 50 / 60Hz (optional) Operating current :../5A, 100mA to 5.5A Setting Range : 0, 85< cos phi <1 (inductive) Manual C/k: ( ), CT ratio: Accuracy : Class 2% + 1 Digit (For NAAC-3P series) Class 1% + 1 Digit (for RM Series) Connection type : terminals Power consumption : <2 VA (Current circuit) <3 VA-10VA (Voltage circuit) Type : balanced compensation upto 3- Phases, 4 wires (RM series) Unbalanced Compensation upto 3-phase, 4 wires (NAAC-3P Series) No-Volt Release Feature : Automatic disconnection of all Capacitor steps in case of mains failure over 200 ms Output contacts : 5 12x@ 3A, 750VA Time Delay : Switch on: 2-50s Switch off: 2-50s Operating range : -5 C; +55 C Storage range : -25 C; +70 C Relative humidity : 95% Protection class : IP20 (for front panel) Equipment protection : Double Insulation ( ) Standards : CE Dimensions : Type PR16, Type PR 19(only RM Switchboard Cutout : 139x139mm (PR16), 90x90mm (Pr19) Cable diameter (for terminal): 2.5mm2 Installation : Flush-mounting with rear terminals Weight : 0.8 kg
6 AUTOMATIC POWER FACTOR CONTROLLER - RMI The new digital RMI series not only offers a high reliability and accuracy in the wattless power compensation but also a user interface for the configuration and programming, which is extremely evident and suitable to all applications. The new microprocessor also permits a better management of the innovative functions implemented. Automatic reactive power control relays are microprocessor controlled systems that automatically manage capacitor banks to compensate for the reactive power absorbed by the load. The following versions are available: - RMI family available in a 144 x 144 mm with 7 and 12 output relays, and 96 x 96mm with 5 output relays. Capacitor banks are switched on and off as the capacitive reactive power required to reach the set value of the load cosj in the regular exceeds 70% of the power of the first bank for a time corresponding to the set delay. Long term memory for settings Three-Phase LED display Self programming function for power stages Can check health of Cap. Bank connected Fully static units controlled Measuremnt of network harmonics These generation control relays also offer Measurement, Protection and Data Acquisition for PC Transmission and Storage (RMI-7-12 only). The RMI-7-12 version can perform net data communication by means for Ducati instruments / analyzers. Automatic reactive power control relays are microprocessor controlled systems that automatically manage capacitor banks to compensate for the reactive power absorbed by the load. The most innovative features are: - 3 logics to connect/disconnect banks, with automatic recognition: - Universal geometric logic (1 :2 :4), in which it is possible to obtain a high number of steps, while minimizing the number of banks; - Circular and linear logic (1: 1: 1), in which the output relays are controlled in a circular sequence, thus allowing a more even distribution of operations on contacts and considerably reducing maintenance required; - Semicircular and linear logic (1:2 :2), in which it is possible to obtain a higher number of steps than the logic (1 : 1 : 1). The PROTECTION SYSTEM which protects p.f. correction includes: - Over voltage alarm activated even when no bank is connected; it protects the regulator from any overvoltage which is higher than the allowed one, that is more than 30 seconds; - Over temperature protection which is active even when no capacitor bank is on; it is tripped when the air temperature around the control relay exceeds the limit for at least 15 seconds; - Harmonic overload protection which protects the capacitors from peak voltages; - Power Factor Correction Fault which indicates that the cos value remains below the set value for more than two hours, while all banks are switched on; - No voltage protection which cuts out relays when there is no voltage for more than two periods. When power voltage is back, the control unit will operate under automatic control. NEPTUNE (INDIA) LTD. Sales & Marketing Office : K-1/12, Chittaranjan Park, New Delhi (INDIA) Tel.: , 40, 50 Fax: enquiry@neptuneindia.com Corporate Office : C-270, SFS Sheikh Sarai, Phase-I New Delhi (INDIA) Tel.: Fax: neptune@del2.vsnl.net.in
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