Enquiry Specification for Wagon Tippler with Side Arm Charger and ...
Enquiry Specification for Wagon Tippler with Side Arm Charger and ... Enquiry Specification for Wagon Tippler with Side Arm Charger and ...
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 3.0 Type of connection -Three full wave diode rectifiers supplied by phase shifted, three phase AC to provide a fixed DC voltage. -DC bus inductor on all ratings -DC link capacitors -Insulated Gate Bipolar Transistor (IGBT) power section, shall be rated for variable / constant torque applications. The power section shall use vector dispersal pulsewidth modulated (PWM) IGBT gate control algorithm and soft switching IGBT’s to reduce motor terminal dv/dt and allow longer cable length from drive to motor without output filters. -The Main Control Board shall be the same for all ratings to optimize spare parts stocking and exchange -Common control connection for all ratings. 4.0 Overload capacity -110% of the rated current for 1 minute , 30 seconds at 150% (with inverse characteristics proportional to time) for variable torque applications . Repetition interval shall not be less than 9 minutes -150% of the rated current for 1 minute overload , 30 seconds at 200% (with inverse characteristics proportional to time) and 200% of rated current for 0.5 sec. for constant torque applications . Repetition interval shall not be less than 60 minutes . 5.0 Efficiency More than 97% or better at full speed and full load. 6.0 Input power supply -415 V AC +10% & -15% -3 phase . -50 Hz + / -6 % -4 wire neutral earthed system . 7.0 Voltage variation -Voltage variation of (+/-) 0.1 % with an input variation of +10% -15%. -Steady state regulation of (+/-) 0.25% guaranteed against 100 to 200 % load disturbance and + 6% & -6% input supply frequency variation. -The drive should be designed to operate on an AC supply, which may contain line notching, and up to 10% harmonic distortion. 8.0 Environmental conditions 8.1 Storage ambient temperature range 8.2 Operating ambient temperature range without derating. Upto to 70ºC (-40ºto 158ºF). IP42 & above : 0ºC to 50ºC (0ºto 122ºF) 8.3 Relative humidity Upto 100% non-condensing. 8.4 Operating elevation Up to 1000 Meters (3,300ft) without derating. 8.5 Shock 15G peak for 11ms duration 8.6 Vibrations Suitable to withstand vibrations more than 0.5g. 9.0 Reference 9.1 Input reference O +/-10 V DC / 0 – 10 V DC / 4 – 20 mA . EPI – New Delhi Volume-2B, Rev.0 Page 46 of 63
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 voltage 9.2 Reference signals The drive should be capable of the following speed reference signals • Digital MOP • Jog • HIM (Program/Control panel) • Analog Input signals • Preset Speeds • Communication module commands All reference signals may have a trim signal applied to them for finer resolution and accuracy. Trim source and amount should be programmable. 9.3 Loss of reference The drive should be capable of sensing the reference loss conditions . In the event of loss of an analog input reference signal, the drive should be user programmable to the following • Fault the drive • Alarm and maintain last reference • Alarm and go to preset speed • Alarm and go to minimum speed • Alarm and go to maximum speed • Alarm and maintain last output frequency Signal loss detection should be available regardless of the function of the analog input. 10.0 Output 10.1 Output voltage From 0 to rated motor voltage . 10.2 Output frequency 0.5 -400 Hz. 10.3 Output Waveform Sinusoidal 10.4 Output frequency resolution 0.01 Hz. 11.0 Reflected wave Maximum of 3.15 times the bus voltage or 1600V, whichever is less, up to cable lengths of 200 metres. 12.0 Starting torque 150 % / 0.3 Hz. (without PG) 150 % / 0 RPM (with PG) 13.0 Torque accuracy + / -5 % . 14.0 Speed control accuracy + / -0.02 % . IR compensation to be provided for drive without PG . 15.0 Ramp rate -Linear acceleration and deceleration adjustable independently from 0 to 3600 seconds . -Provision of remotely selectable Accel / Decel settings should be accessible through digital inputs also. 16.0 Main power components in incoming AC side 17.0 Converter – Inverter Equipment -ACB / MCCB with 50 KA rating -Matching input isolation transformer / line reactor for harmonic and noise suppression . For input isolation transformer , the K factor shall be 4.0 or less. -AC line surge suppression network . -Input contactor . -Diode / Thyristor bridge for AC/DC. -DC link circuit with reactor/capacitor -IGBT bridge for Inverter for DC/AC. -Harmonic transformer . - Main PLC to take care of interlocking and sequencing etc. -Mimic panel (where drive is HT) EPI – New Delhi Volume-2B, Rev.0 Page 47 of 63
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<strong>Enquiry</strong> <strong>Specification</strong> <strong>for</strong> <strong>Wagon</strong> <strong>Tippler</strong> <strong>with</strong> <strong>Side</strong> <strong>Arm</strong> <strong>Charger</strong> <strong>and</strong> Associated works<br />
NRO/CON/WT/533<br />
voltage<br />
9.2 Reference signals The drive should be capable of the following<br />
speed reference signals • Digital MOP • Jog • HIM<br />
(Program/Control panel) • Analog Input signals •<br />
Preset Speeds • Communication module<br />
comm<strong>and</strong>s All reference signals may have a trim<br />
signal applied to them <strong>for</strong> finer resolution <strong>and</strong><br />
accuracy. Trim source <strong>and</strong> amount should be<br />
programmable.<br />
9.3 Loss of reference The drive should be capable of sensing the<br />
reference loss conditions . In the event of loss of<br />
an analog input reference signal, the drive should<br />
be user programmable to the following • Fault the<br />
drive • Alarm <strong>and</strong> maintain last reference • Alarm<br />
<strong>and</strong> go to preset speed • Alarm <strong>and</strong> go to<br />
minimum speed • Alarm <strong>and</strong> go to maximum<br />
speed • Alarm <strong>and</strong> maintain last output frequency<br />
Signal loss detection should be available<br />
regardless of the function of the analog input.<br />
10.0 Output<br />
10.1 Output voltage From 0 to rated motor voltage .<br />
10.2 Output frequency 0.5 -400 Hz.<br />
10.3 Output Wave<strong>for</strong>m Sinusoidal<br />
10.4 Output frequency<br />
resolution<br />
0.01 Hz.<br />
11.0 Reflected wave Maximum of 3.15 times the bus voltage or 1600V,<br />
whichever is less, up to cable lengths of 200<br />
metres.<br />
12.0 Starting torque 150 % / 0.3 Hz. (<strong>with</strong>out PG) 150 % / 0 RPM<br />
(<strong>with</strong> PG)<br />
13.0 Torque accuracy + / -5 % .<br />
14.0 Speed control<br />
accuracy<br />
+ / -0.02 % . IR compensation to be provided <strong>for</strong><br />
drive <strong>with</strong>out PG .<br />
15.0 Ramp rate -Linear acceleration <strong>and</strong> deceleration adjustable<br />
independently from 0 to 3600 seconds . -Provision<br />
of remotely selectable Accel / Decel settings<br />
should be accessible through digital inputs also.<br />
16.0 Main power<br />
components in<br />
incoming AC side<br />
17.0 Converter –<br />
Inverter Equipment<br />
-ACB / MCCB <strong>with</strong> 50 KA rating -Matching input<br />
isolation trans<strong>for</strong>mer / line reactor <strong>for</strong> harmonic<br />
<strong>and</strong> noise suppression . For input isolation<br />
trans<strong>for</strong>mer , the K factor shall be 4.0 or less. -AC<br />
line surge suppression network . -Input contactor<br />
.<br />
-Diode / Thyristor bridge <strong>for</strong> AC/DC. -DC link<br />
circuit <strong>with</strong> reactor/capacitor -IGBT bridge <strong>for</strong><br />
Inverter <strong>for</strong> DC/AC. -Harmonic trans<strong>for</strong>mer . -<br />
Main PLC to take care of interlocking <strong>and</strong><br />
sequencing etc. -Mimic panel (where drive is HT)<br />
EPI – New Delhi Volume-2B, Rev.0 Page 47 of 63
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