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LVSI824, MVSI824, HVSI824, LVSM824

– Installation Manual

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Содержание HVSI824

Страница 1: ...1 LVSI824 MVSI824 HVSI824 LVSM824 Installation Manual ...

Страница 2: ...arrying out maintenance Disable closing circuits and or place warning notices on any circuit breakers normally used for connection to the mains or other generators to avoid accidental closure Observe all IMPORTANT CAUTION WARNING and DANGER notices defined as Important Important refers to hazard or unsafe method or practice which can result in product damage or related equipment damage Caution Cau...

Страница 3: ...cle earthmoving cranes etc Fixed installation industrial factory process plant Fixed installation residential commercial and light industrial home office health Energy management Combined heat and power and or peak lopping Alternative energy schemes The standard generators are designed to meet the industrial emissions and immunity standards Where the generator is required to meet the residential c...

Страница 4: ... 4 3 VOLTAGE FREQUENCY 8 4 4 4 AVR SETTINGS 8 4 5 GENERATOR SET TESTING 9 4 5 1 TEST METERING CABLING 9 4 6 INITIAL START UP 9 4 7 LOAD TESTING 10 4 7 1 AVR ADJUSTMENTS 10 4 7 2 UFRO Under Frequency Roll Off 10 4 7 3 OVER V Over Voltage 10 4 7 4 EXC TRIP Excitation Trip 11 4 7 5 TRANSIENT LOAD SWITCHING ADJUSTMENTS 11 4 7 5 1 DIP 11 4 7 5 2 DWELL 11 4 8 ACCESSORIES 11 SECTION 5 INSTALLATION PART 2...

Страница 5: ...llows 1 3 SERIAL NUMBER LOCATION Each generator has its own unique serial number stamped into the upper section of the frames drive end end plate Inside the terminal box two adhesive labels have been fixed each carrying the generators unique identity numbers One label has been fixed to the inside of the terminal box sheet metal work and the second label fixed to the saddle supporting the terminal ...

Страница 6: ...d Hz setting preventing over excitation at low engine speeds and softening the effect of load switching to relieve the burden on the engine It also provides over excitation protection during fault conditions and over voltage protection with provision for operating an external circuit breaker and additional adjustable elements are incorporated to shape and optimise the heavy load switching capabili...

Страница 7: ...use in a maximum ambient temperature of 40 C in accordance with B S 5000 Ambients in excess of 40 C can be tolerated with reduced ratings refer to the generator nameplate for rating and ambient In the event that the generator is required to operate in an ambient in excess of the nameplate value or at altitudes in excess of 1000 metres above sea level refer to the factory The generators are of air ...

Страница 8: ...entry into the right hand side of the terminal box when viewed from generator N D E Cable entry from the left hand side is possible if specified at time of order The terminal box is constructed with a removable panel for easy adaptation to suit specific glanding requirements Within the terminal box there are insulated terminals for line and neutral connections and provision for earthing The neutra...

Страница 9: ...rotor through the fan It is inessential that that the support strip is removed before the machine is run Before removing the strap and support brackets the following steps must be followed 1 Once the Alternator is on site and positioned closely to its final position remove the shaft locking strap fitted across the front of the shaft 2 Couple the alternator to the engine Note the rotor support brac...

Страница 10: ...d megger U to ground Repeat for V phase with U and W grounded and W phase with U and V grounded The insulation resistance should not be less than 50MΩ and the polarisation index should be in the order of 2 or greater at 20 C If these values cannot be achieved the winding should be dried out as detailed in the Service and Maintenance section of this manual Danger 4 4 1 3 HV GENERATORS A 5000 V moto...

Страница 11: ...d be placed on top of the winding lead termination and clamped between the two nuts provided as shown below Caution MV HV LOAD CABLE TERMINATION Extending the load terminals by means of an extension bar may cause excessive side loads on the ceramic terminal insulators and should be avoided Caution Check that all wiring terminations for internal or external wiring are secure and fit all terminal bo...

Страница 12: ...ake the adjustment correctly 4 7 2 UFRO Under Frequency Roll Off The AVR incorporates an underspeed protection circuit which gives a voltage speed Hz characteristic as shown in Fig 2 Fig 2 The UFRO control potentiometer sets the knee point Symptoms of incorrect setting are a the light emitting diode LED indicator adjacent to the UFRO control potentiometer being permanently lit when the generator i...

Страница 13: ... trade off between frequency dip and voltage dip 4 7 5 1 DIP The dip function control potentiometer adjusts the slope of the voltage speed Hz characteristic below the knee point as shown in Fig 3 Fig 3 4 7 5 2 DWELL The dwell function introduces a time delay between the recovery of voltage and recovery of speed The purpose of the time delay is to reduce the generator kW below the available engine ...

Страница 14: ...00V Motorised Instrument MV Generators 2500V Motorised Instrument HV Generators 5000V Motorised Instrument The measured Insulation Resistance should be above the value stated in the table below GENERATOR TYPE LV MV HV 5 Meg Ohms 50 Meg Ohms 200 Meg Ohms If these values cannot be achieved the windings should be dried out as detailed in the Service and Maintenance Section of this manual A 1000V inst...

Страница 15: ...tting of differential protection current transformers Provision has been made for an earth leakage detection current transformer which is positioned between the star point and neutral terminal On MV and HV generators the main stator winding has six leads brought out to terminals in the terminal box The three leads brought to the neutral terminal have been arranged to allow for the provision of dif...

Страница 16: ...et conditions 1 2 and 3 when closing the circuit breaker will generate excessive mechanical and electrical stresses resulting in equipment damage Once connected in parallel a minimum instrumentation level per generator of voltmeter ammeter wattmeter measuring total power per generator and frequency meter is required in order to adjust the engine and generator controls to share kW in relation to en...

Страница 17: ...the circuit breaker this link must be removed 6 3 1 RESETTING THE BREAKER In the event of operation of the circuit breaker indicated by loss of generator output voltage manual resetting is required When in the tripped state the circuit breaker switch lever shows OFF To reset move the switch lever to the position showing ON Danger Terminals which are LIVE with the generating set running are exposed...

Страница 18: ...R CONTROLLER PFC3 This accessory is primarily designed for those generator applications where operation in parallel with the mains supply is required Protection against loss of mains voltage or generator excitation is not included in the unit and the system designer must incorporate suitable protection The electronic control unit requires both droop and kVAr current transformers When supplied with...

Страница 19: ...d N I Application Guidelines or which have been improperly stored or which have been repaired adjusted or altered by any person except ourselves or our authorised agents or in any second hand goods proprietary articles or goods not of our own manufacture although supplied by us such articles and goods being covered by the warranty if any given by the separate manufacturers Any claim under this cla...

Страница 20: ... Industrial 3 Naciones San Luis Potosi SLP C P 78395 Tel 00 48 26 84 00 Fax 00 48 26 84 05 3 GERMANY AvK DEUTSCHLAND GmbH Co KG Niederlassung Dreieich Benzstrasse 47 49 63303 Dreieich Tel 49 61 03 50 39 0 Fax 49 61 03 50 39 40 8 NORWAY NEWAGE NORGE A S kern Naeringspark Kabeigt 5 Postboks 28 kern 0508 Oslo Tel Oslo 47 22 97 44 44 Fax 47 22 97 44 45 4 INDIA C G NEWAGE ELECTRICAL LIMITED C33 Midc Ah...

Страница 21: ...les Microsoft Office Templates Normal dot Title SAFETY PRECAUTIONS Subject Author Jane Lilley Keywords Comments Creation Date 27 06 02 11 37 Change Number 14 Last Saved On 01 07 02 10 03 Last Saved By Anita Fountain Total Editing Time 28 Minutes Last Printed On 01 07 02 10 04 As of Last Complete Printing Number of Pages 20 Number of Words 8 494 approx Number of Characters 48 420 approx ...

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