APPLIED ACOUSTICS CSP-N 1200 Page 18 Operation Manual Download | Manualshive

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CSPN Capacitor Charging Unit Operation Manual

CSP-CSPN-8000/1

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Operation of the CSP-N with a Sparker Sound Source

The CSP-N is designed for use with the Dura-Spark Sparker. The CSP-N is not compatible with
the Squid Sparker range of sparker sound sources due to the polarity of the power supply.

The polarity of the CSP-N reduces tip wear to a minimum ensuring a stable repeatable sound
source.

A sparker consists of a number of electrodes in the (salt) water which creates a sound pulse as the
plasma bubble expands. The current into a sparker varies with cable length and type as well as by
the number of tips and the salinity of the water. Typical values are shown below for the Dura Spark
sparker in seawater with a salinity of 35 ppm.

Energy

Dura Spark 80

Tips

Dura Spark 160

Tips

Dura Spark 240

Tips

Dura Spark 400

Tips

300J

1800A

2000A

2500A

500J

2400A

3000A

3500A

4500A

1250J

4500A

6000A

6500A

2000J

8500A

Operation of the CSP-N with a Non AAE Sound Source

The CSP-N is designed for use with the Dura-Spark Sparker and the AA series of Boomer Plates.

When used with sparker sound sources from other manufacturers the operator must ensure that
the operational characteristics of the sparker are within the parameters of the CSP-N. It is
recommended that the operator measures the discharge current level and rise time consulting with
AAE before commencing survey operations to ensure reliability / compatibility.

Dummy Load

AAE manufacture a dummy load with precisely designed characteristics which can be used for
testing of CSP-N units in the workshop to avoid ‘water based dummy loads’.

Please check with other sparker manufacturers whether their sparkers are compatible with the
specifications laid out in this manual.

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Summary of Contents for CSP-N 1200

Page 1: ...CSPN Capacitor Charging Unit Operation Manual ...

Page 2: ...___________________________ __________________________________________________________________________________________________________ Page 2 of 63 Revision History Issue Change No Reason for change Date 1 CSPN 2400 Changes Non AAE Sound Source Guidelines added Maintenance Checklist added Schematics updated HVJ3001 diagrams updated 18 08 15 ...

Page 3: ...3 POWER UP 13 TRIGGER INPUT 13 LOCAL REMOTE 14 1 4 OPERATION 15 ENERGY SETTINGS 16 OPERATION OF THE CSP N WITH A BOOMER SOUND SOURCE 17 LOAD SPECIFICATIONS 17 BOOMER LOAD 17 OPERATION OF THE CSP N WITH A SPARKER SOUND SOURCE 18 OPERATION OF THE CSP N WITH A NON AAE SOUND SOURCE 18 DUMMY LOAD 18 1 5 OPERATOR CONTROLS AND INDICATORS 19 MAINS POWER SWITCH 19 EMERGENCY STOP SWITCH 19 HV OFF RESET SWIT...

Page 4: ...N 27 HV MONITOR BOARD 27 HV DETECT BOARD 27 HV CHARGER 27 AC SECTION 28 CONTROL BOARD AND FRONT PANEL COMPONENTS 28 CONTROL BOARD 29 KEY BOARD 29 HIGH VOLTAGE RELAY SWITCHING 29 FAULT LATCHES HV ON CIRCUIT 30 HIGH VOLTAGE ON CIRCUIT 31 FRONT PANEL BOARD 31 INTERLOCKS RELAY BOARD 32 2 3 REPAIR AND FAULT FINDING ON CSP POWER SUPPLIES 33 2 4 CSP N BASIC FAULT DIAGNOSIS 34 2 5 TROUBLESHOOTING GUIDE 36...

Page 5: ...tact our Technical Team via the following methods Tel 44 0 1493 440355 Fax 44 0 1493 440720 Email techsupport appliedacoustics com Applied Acoustic Engineering Ltd has made every effort to ensure that the information contained in this manual is correct at time of print However our policy of continual product improvement means that we cannot assume liability for any errors which may occur These wri...

Page 6: ...ormation in this manual is copyright 1993 2015 Applied Acoustic Engineering Ltd This manual is loaned without other consideration than the agreement and condition that it is not to be reproduced copied or otherwise disposed of directly and is not to be used in whole or in part to assist in or to furnish any information for the making of drawings prints apparatus or parts thereof THIS EQUIPMENT CON...

Page 7: ...efore maximum signal amplitude is reached It will also give them a chance to get used to the noise if they choose to stay rather than being subjected to a sudden shock of a full power seismic signal The procedure is quite simple By using a slow repetition rate say at 1 pulse per 15 seconds and by using the Auto charge rate the energy will slowly increase over the course of several minutes Once ful...

Page 8: ...d high rate for example at 1500J per second even when the average energy drawn from the capacitors is less a typical example may be 100 J at 3 pps 300J This results in a rapid capacitor charge rate for 67 mS followed by nothing until the next discharge charge cycle This charge no charge operation can often result in generator hunting as the load changes and may mean that a larger generator is need...

Page 9: ...k and the deployment area so that the high voltage output cable run is minimised As high voltages are present the CSP N must be located away from water spray and condensation in an environment which is not allowed to become too hot Care should be taken to allow safe and easy access and that high voltage cables are out of harm s way It should also be possible to switch off the unit quickly without ...

Page 10: ...ivity even during heavy roll It is recommended that earthing arrangements are checked regularly as corrosion or abrasion or metal cutting gear can cause damage which may result in the equipment becoming unsafe from having an ineffective earth The CSP N range of Capacitor Discharge PSUs are compact and easy to operate However the units still generate lethal voltages and the operators should make th...

Page 11: ...ERE HAZARD TO BOTH EQUIPMENT AND PERSONNEL The front of the CSP N must be grounded to the ship s ground system This is achieved by attaching a short length of thick wire or earth braid from the CSP N front panel earth stud to an appropriate earthing point on the vessel If a suitable earth cannot be found the CSP N earth stud should be connected directly to the water using an adequate length of hea...

Page 12: ...al Brown Live The operator must ensure that the ac supply is capable of supplying sufficient energy to power the CSP N unit Although the unit will operate from most generators of 4 kVA the quality and regulation vary considerably from make to make and how well they have been maintained A voltage stabiliser is not necessary as any reasonable variation of the AC supply will not affect the output vol...

Page 13: ...witched on This will allow the unit to warm up to the room temperature and any condensation will disperse Power Up When suitably connected to ground the transducer and AC mains and the transducer is in the water the power can be applied using the ON OFF switch and circuit breaker The fans will run and the HV OFF RESET button will illuminate Select the appropriate power output required and press th...

Page 14: ...MOTE switch to remote The high voltage can only be turned on from the instrument room and not from the CSP D Unit The high voltage OFF button is operational from the CSP D Unit and remote box The CSP Unit can also be keyed from the remote box via a BNC socket The remote also monitors the status of the key detect circuitry and the key LED will only illuminate on reception of a valid key pulse withi...

Page 15: ...F RESET button must be pressed to reset any fault latches and the light behind the Manual Key button is flashing in sequence with the key input signal The output power can now be selected by using the two rotary switches as shown in the accompanying photographs The two switches select a combination of capacitor settings labelled 1 12 and voltage settings labelled LO and HI so the operator can choo...

Page 16: ..._____________________ Page 16 of 63 Energy Settings CSP N 1200 OUTPUT POWER SWITCH POSITION HI LO 1 100 50 2 200 100 3 300 150 4 400 200 5 500 250 6 600 300 7 700 350 8 800 400 9 900 450 10 1000 500 11 1100 550 12 1200 600 CSP N 2400 OUTPUT POWER SWITCH POSITION HI LO 1 100 50 2 200 100 3 300 150 4 500 200 5 750 300 6 1000 400 7 1250 500 8 1500 600 9 1750 700 10 2000 800 11 2250 900 12 2400 1000 I...

Page 17: ... at 3 pulses per second may be a common way of using the transducer with the traditional 3 5 kV supply voltage using switch positions 2 and HI However if position 4 LO is used the same energy is being applied to the transducer although at a lower voltage so the pulse length is increased Load Specifications The CSP N units are designed to deliver high currents into boomer or sparker type loads The ...

Page 18: ...l values are shown below for the Dura Spark sparker in seawater with a salinity of 35 ppm Energy Dura Spark 80 Tips Dura Spark 160 Tips Dura Spark 240 Tips Dura Spark 400 Tips 300J 1800A 2000A 2500A 500J 2400A 3000A 3500A 4500A 1250J 4500A 6000A 6500A 2000J 8500A Operation of the CSP N with a Non AAE Sound Source The CSP N is designed for use with the Dura Spark Sparker and the AA series of Boomer...

Page 19: ...th the controls This button also operates as the HV OFF button Press to switch OFF HV ON Switch Switches in capacitors and HV PSU note delays on switching switch illuminates when the high voltage is switched on operated in conjunction with the HV ENABLE key switch thus to switch HV ON HV ENABLE needs to be enabled simultaneously MANUAL KEY Switch Triggers CSP unit when pressed Also illuminates whe...

Page 20: ...icator will normally illuminate when the unit is powered up and will extinguish when the RESET button is pressed It will otherwise illuminate during most faults Please note that the fault light will not illuminate if the thermal cut out operates in the charger module INTERLOCK Indicator Illuminated if front panel connector is left out when the unit is switched ON or if the lid of the HV junction b...

Page 21: ...e holders and these are the only things we recommend the operator checks if he has not received factory training The fuses are rated as follows F1 3A Antisurge 1 240V F2 3A Antisurge 1 240V Charge Rate Switch Recommended position is OUT to make use of the AVIP circuitry Fan Filters The rear panel of the units has 2 fold down handles to ease installation and also has 2 fan filters for the cooling a...

Page 22: ...d when the unit is operating The load should always be in the water before operation Crewmembers should be made aware of these facts during mobilisations 1 7 Product Recycling Disposal Within the EU all electronic components and batteries must be taken for separate collection at the end of their working life under EU WEEE directives Applied Acoustics as a manufacturer within the EU will responsibl...

Page 23: ... charge rate Physical Specifications Size 19 Rack Mount 7U high excluding shock mount housing Weight 52 kg CSP N 1200 54 kg CSP N 2400 Electrical Specifications Mains Input 207 260 V 1 phase 45 65 Hz 4 kVA 3 Pin connector Voltage Output 2700 to 4000 volts DC Output Power 1200J 2400J By 4 Pin connector Power and interlock Selection Rotary switches Trigger ve key 5 to 25V rising edge opto isolated o...

Page 24: ... period 30 seconds without key pulse Local Remote Disables remote if fitted Load Fault Shuts down HV upon open circuit load or load over current Reset Resets unit after fault or if interlock activated Key switch Must be rotated to enable high voltage Switch can be removed to disable unit for example when working on deck Thermal shut down HV charger shuts down if it overheats Options Remote Allows ...

Page 25: ... has been designed so that the operator does not need to remove the top cover for any operational adjustments The top cover should only be removed by factory trained personnel and the following points should be noted The safety features have been over engineered for safety but should not be relied upon An earth wand connected to the front panel ground and ship ground should be used to ensure any h...

Page 26: ...for the thyristor and accepting safety information from interlock switches such as the controls on the front panel connector As a back up to this board a separate layer of control electronics relays from an additional isolated supply are used to disable the capacitor charger supply The CSPN Unit is designed for minimal operator intervention The term No user serviceable parts does really apply Acce...

Page 27: ... from Nylon 66 Note All models operate at approx 4KV HV Monitor Board Using a shunt resistor and current sensor the HV monitor circuitry monitors the output current to prevent excessive load currents damaging components The circuitry also monitors the HV voltage to detect open circuit load conditions where the energy has not been discharged Upon detection of the above faults the board flags a LOAD...

Page 28: ...ee from front to back the AC mains filter 2 control relays a separate 12 V power supply for these relays a solid state control relay and a 90 250VAC 12VDC power supply as well as 2 fuses which can be accessed from the rear panel These fuses are F1 3A Slow blow 1 F2 3A Slow blow 1 F1 Protects 12v power supply F2 Protects the relay board and line voltage powering the high voltage relays also the fro...

Page 29: ...Fault Time Out LEDs on the front panel will illuminate and the high voltage will be disabled A 10mS pulse is generated via IC8A inhibiting the high voltage charger during and after the firing of the ignitron IC4 is also used to drive the HV ON OFF and Key LEDs on the remote box High Voltage Relay Switching Drawing No CSP1000 5000 Section 3 The high voltage capacitors are switched in out of circuit...

Page 30: ... side panel will open disconnecting mains to the charger See Relay Board Section 3 Any high voltage within the charger is then dumped via an internal resistor network The input to IC5A via opto isolator OP4 will go high setting the RS latch IC5 output is fed to IC6 8 input OR gate A logic 1 on any of the inputs will activate the OR O P Pin 1 This resets IC5D which holds the O P of IC11D low With I...

Page 31: ...Providing there is no fault condition RS latch IC5 is set sending its O P high The 8 input OR gate IC6 also has a NOR function Pin 13 With no faults or resets logic 1s on the I P the NOR O P on Pin 13 will be high sending the O P of AND gate 11D high This will then allow any high voltage capacitors to be switched in circuit via the HV relay control circuit IC7B is also triggered generating a 3 sec...

Page 32: ...URE CORRECT OPERATION OF THE POWER SUPPLY THE TOP COVER MUST BE SECURED IN PLACE A special 20mm hex screw is provided to operate the micro switch THE 20MM SCREW NEEDS TO BE PLACED IN THE FRONT POSITION ON THE TOP LEFT HAND SIDE OF THE UNIT FAILURE TO SECURE THE COVER USING THE 20MM SCREW WILL RESULT IN A FAULT CONDITION ON THE FRONT PANEL OF THE POWER SUPPLY The 12VDC output from the rectifier is ...

Page 33: ...in our own Laboratories or by our own registered service agents During diagnosis procedures it is recommended that the power selection switch is placed at 100J and a suitable Transducer or Dummy Load is attached to the output SAFETY NOTICE It is also imperative that the HV Charger main supply is disconnected when any adjustments are made within the unit Even with the supply disconnected lethal vol...

Page 34: ...D 3 on Control Board is illuminated if not suspect the following Wiring between 12V PSU and the control board If LED 3 is illuminated Replace Control Board Replace Front Panel Board Check interconnect wiring between these sub assemblies Fans Do Not Operate Check integrity of Fuse 2 on rear panel if O K Check Mains Wiring To Fans Check Wiring to Relay Board Fans Operate But Pronounced Delay between...

Page 35: ...ch Is key Lamp Illuminating in unison with Input Key pulse if not suspect Input Key Board Also Control Board If LED2 on Control Board is Illuminating in Conjunction with Input Key but unit still not discharging no load fault reported Check Thyristor Interface board and thyristor Check cabling to Thyristor interface board and thyristor Upon discharge Load fault reported and unit shuts down Check lo...

Page 36: ...yristor Int Brd Check for presence of TTL trigger pulse with oscilloscope on ZD1 on Thyristor Int Brd Repair cabling if required If all LEDs are correct and load is properly connected there may be a problem with the thyristor Check 5Vdc on Thyristor Int Brd Replace thyristor High Voltage LED will not light after pressing HV ON Remote local Switch switched to remote not allowing operator to turn HV...

Page 37: ...s wiring to unit Correct if necessary Circuit breaker OK no LEDs on front panel Fuse F1 open circuit O C Check with ohm meter Replace No O P from 12V PSU Remove LHS panel and measure O P from PSU located to the rear of unit Check internal fuse If faulty replace If OK replace board Problem with control board Remove PL1 12V I P to board and measure12VDC on plug If 12VDC is present replace control bo...

Page 38: ...________________________ Page 38 of 63 Problem Possible Fault Condition Test Action When HV ON button is pressed HV LED comes on after approximately 3 seconds but HV relay s do not operate Fuse F2 blown Check with ohm meter Replace Control board faulty Replace High voltage relay faulty Switch power select SW on front panel to 200J If this relay operates 100J relay may be faulty Check wiring from c...

Page 39: ...personnel injury whilst following this checklist this is at the operators own risk Yes No EXTERNAL INSPECTION Check rear air intake grills are clear for good air flow Check front fans operate Check HV connector on front panel clean and multi lam intact Check all Front Panel Controls Indicators are secure and operational Check earth connection on front panel electrically and mechanically secure INT...

Page 40: ... 3 CSP 1000 5002 1 CSP Relay Brd Schematic 43 4 CSP CSPD 5109 2 CSPD Key In Brd Schematic 44 5 CSP 1000 5005 2 CSP AVIP Brd Schematic 45 6 CSP CSPD 5100 2 CSPD Front Panel Brd Schematic 46 7 CSP CSPD 5101 3 CSPD HV Detect Brd Schematic 47 8 CSP CSPD 5102 5 CSPD HV Monitor Brd Schematic 48 9 CSP CSPD 1000 1 CSPD Component Support Plate 49 10 CSP CSPD 1003 1 CSPD Mains Supply Wiring 50 11 CSP CSPD 1...

Page 41: ...5a MC33172 VCC 8 VEE 4 IC15b MC33172 R2 100K R3 47K R44 27K R12 27K Q8 MPSA18 R45 1K C23 10nF C27 100nF D3 1N914 D7 1N914 R26 10K R28 27K Q2 MPSA18 0V R22 10K C29 100nF C31 100nF C40 100nF R C 14 CT 15 TR 12 TR 11 RST 13 Q 10 NQ 9 IC7b 4538 C11 330nF R20 10M 12V D 9 CK 11 R 10 VSS 7 S 8 VDD 14 Q 13 NQ 12 IC12b 4013 R31 10K Q1 MPSA18 C15 10nF R47 470R R48 4 7K 0V 12V 3 4 1 2 RL1 C19 150uF 25V C49 1...

Page 42: ...4 VSS 7 S 6 VDD 14 Q 1 NQ 2 IC10a 4013 D 9 CK 11 R 10 S 8 Q 13 NQ 12 IC10b 4013 0V 0V R30 27K Q3 MPSA18 Q4 MPSA18 Q5 MPSA18 Q6 MPSA18 0V C45 100nF R33 27K 0V C32 100nF R34 27K C28 100nF 0V R35 27K C13 100nF 0V C33 100nF SW1a SW1b MP240D4 RLA MP240D4 RLB MP240D4 RLC MP240D4 RLD C20 100nF C22 100nF C24 100nF 100nF 2ND C45 12V 0V 1 FROM IC11 PIN 11 CAPACITOR 1 SW CAPACITOR 2 SW CAPACITOR 3 SW CAPACIT...

Page 43: ...l CSP CSPN 8000 1 __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ Page 43 of 63 ...

Page 44: ...l CSP CSPN 8000 1 __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ Page 44 of 63 ...

Page 45: ...l CSP CSPN 8000 1 __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ Page 45 of 63 ...

Page 46: ...AWN MATERIAL ALL DIMS IN mm NOT TO SCALE APPLIED ACOUSTIC ENGINEERING LTD APPLIED ACOUSTIC ENGINEERING LTD THIS DRAWING IS LOANED WITHOUT OTHER CONSIDERATION THAN THE AGREEMENT AND CONDITITON THAT IS NOT TO BE REPRODUCED COPIED OR OTHERWISE DISPOSED OF DIRECTLY OR INDIRECTLY AND IS NOT TO BE USED IN WHOLE OR IN PART TO ASSIST IN OR TO FURNISH ANY INFORMATION FOR THE MAKING OF DRAWINGS PRINTS APPAR...

Page 47: ...COUSTIC ENGINEERING LTD THIS DRAWING IS LOANED WITHOUT OTHER CONSIDERATION THAN THE AGREEMENT AND CONDITITON THAT IS NOT TO BE REPRODUCED COPIED OR OTHERWISE DISPOSED OF DIRECTLY OR INDIRECTLY AND IS NOT TO BE USED IN WHOLE OR IN PART TO ASSIST IN OR TO FURNISH ANY INFORMATION FOR THE MAKING OF DRAWINGS PRINTS APPARATUS OR PARTS THEREOF FILE NAME C CSP D CSP CSPD 5101 3 NM NM 11 06 FIRST ISSUE 1 0...

Page 48: ...al Pin TP2 Term inal Pin TP3 Terminal Pin TP4 Terminal Pin TP5 Terminal Pin TP6 Terminal Pin TP7 Terminal Pin TP8 Terminal Pin TP9 Terminal Pin R15 10K C13 10uF 25V C14 10uF 25V Q1 M PSA18 DSC C17 100nF C18 100nF IC6a CD4081 IC6b CD4081 IC6c CD4081 IC6d CD4081 IC6e CD4081 R16 4k7 ISSUE DESCRIPTION APPD DATE DRAWING No TITLE DATE DATE DATE APPROVED CHECKED DRAWN MATERIAL ALL DIMS IN mm NOT TO SCALE...

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Page 60: ..._____________________________________ Page 60 of 63 Section 4 System Interconnection HVJ3001 HV Junction Box The CSP N is supplied with the HV Junction Box HVJ3001 for use with the following sound sources and HV Cables Seismic Power Supply HV Cable Sound Source CSP N HVC 3000 S Boom CSP N HVC 3500 Dura Spark CSP N HVC 2000 AA251 AA301 Boomer 4 1 Triple Array Arrangement 400 Tips DuraSpark 400 240 ...

Page 61: ..._________________________________ __________________________________________________________________________________________________________ Page 61 of 63 4 2 Double Array Arrangement 240 Tips DuraSpark 400 160 Tips DuraSpark 240 2 Boomer Plate S Boom 4 3 Single Array Arrangement 80 Tips DuraSpark 400 and 240 Single Boomer Plate S Boom ...

Page 62: ..._________________________________________________________________________________________ __________________________________________________________________________________________________________ Page 62 of 63 4 4 HVJ3001 Interconnections 4 5 HVJ3001 Junction Box Interlock Wiring ...

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