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DER2 digital regulator instruction manual - rev. 02 - pag. 32 

 

 

3. APO Output

 

The APO output status ((Transistor open collector Active Protection Output - connector CN1 terminals 23 

(common) and 24 (collector)] depends on: 

- whether some alarms are activated or not 

- setting of parameter P[17] 

- setting of the ''APO Invert'' flag  

In normal operating conditions it is closed. It opens

 

(with a configurable delay from 0 to 15 seconds) when, of 

all the alarms, one or several separately selectable alarms are active and the ''APO Invert'' flag

 

is active or, 

immediately, in case of absence of power supply to the regulator; if the ''APO Invert'' flag

 

is inactive the APO 

output is inverted (open in normal operating conditions or with regulator switched off, closed, with a configura-

ble delay, in case of one or several active selected alarms). 

The selection of which alarms trigger the activation of A.P.O. depends on the value written at location 17. The 

transistor is closed

 

both when no alarm is active and when, even if the alarm is active, the corresponding en-

abling bit is set to 0. 

The value to set at location 17 is made up of 2 parts: one part allows selection of the alarms which activate 

the contact, the other one allows setting the intervention delay. To calculate the value to set at location 17 

use the following procedure: 

a) In relation to table 15. Add up the decimal numbers corresponding to the alarms for which you want APO 

to be activated obtaining number B. (Example: if you want APO to be activated for overvoltage and over-

speed, you get B = 2 +64 = 66) 

b) Multiply the delay you want (integer values from 0 to 15 seconds) by the fixed value 4096. You get number 

A = (0..15) * 4096. (Example: if you want a 5 seconds delay, you get A = 5 * 4096 = 20480) 

The sum A + B must be written at location 17 (In the preceding example 20480 + 66 = 20546) 
The configuration is simplified a lot by the use of the DxR terminal software which has the APO settings menu 
dedicated to this purpose.

 

A12 

A11 

A10 

A9 

A8 

A7 

A6 

A5 

A4 

A3 

A2 

Underexcitation  Overspeed  Underspeed  Over Excitation 

Short

 

Under voltage 

Over voltage 

2048  1024 

512 

256 

128 

64 

32 

16 

TABLE 15 : ALARM SETTINGS THAT ACT ON THE APO

 

 

4. DER2 operation time

 

If the regulator is working correctly (no alarm) A12 will be active and the bit 11 will be High at location L[38]. 
When we see one alarm, the A12 is deactivated, bit 11 is reset at location L[38] and operation time is stored. 
The total operation time of the regulator is obtained, after the download of the alarms, by adding all the times 
TT (last column of the file .alr). 

For this procedure please refer to the ''DownLoad Alarm'' function of the Upload/Download Menu of DxR Ter-

minal Software, see Technical guide “Interface communication USB2DxR”. 

Содержание DER2

Страница 1: ...Technical Guide DER2 Digital Regulator Guida Tecnica Regolatore Digitale DER2 The world s largest independent producer of synchronous alternators 1 5 000kVA...

Страница 2: ...DER2 digital regulator instruction manual rev 02 pag 2...

Страница 3: ...gistry list pag 18 2 Word of configuration Parameter P 10 pag 18 3 RAM location reference activation of saturation in analog remote control pag 19 4 Volatile memory addresses pag 20 5 Fourth Status Wo...

Страница 4: ...re stored in a non volatile integrated memory EEPROM The first time the regulator is turned on a default configuration will be present which satisfies the most widely requested characteristics and is...

Страница 5: ...within 3 of the value set in less than 300 msec Programmable Soft start Parameters VOLT STAB AMP and Hz settable by trimmers default 50 60Hz settable by a jumper default all parameters programmable vi...

Страница 6: ...al Name Funcion Specifications Notes 23 Common Active protections output Type Non insulated open collector Current 100mA Voltage 30V Max length 30m 3 Programmable active level activating alarm and del...

Страница 7: ...Response The High Dynamic Response module by a inversion of the excitation voltage allows a faster reduction of excitation current than conventional regulators and consequently a smaller transient ov...

Страница 8: ...tal regulator perform a visual inspection to ensure that no damage has been sustained during transportation and movement of the equipment In the event of damage advise the shipper the insurance compan...

Страница 9: ...2000 Single phase on half phase F SCC0305 00 2 channels in series Parallel star 190 200 208 220 230 240 250 from 130 to 250 Single phase H SCC0303 00 Three phase H SCC0301 00 380 400 415 440 460 480 5...

Страница 10: ...ced 1 Menu 4 The parameter present in parameter P 5 if three phase sensing or p 6 if single phase sensing has to be calibrated Calibration should be adjust in order to obtain 225V from the generator o...

Страница 11: ...DER2 digital regulator instruction manual rev 02 pag 11 SCC0301 01 Three phase sensing 75V 150V...

Страница 12: ...DER2 digital regulator instruction manual rev 02 pag 12 SCC0302 01 Three phase sensing 150V 300V...

Страница 13: ...DER2 digital regulator instruction manual rev 02 pag 13 SCC0303 01 Single phase sensing 75V 150V...

Страница 14: ...DER2 digital regulator instruction manual rev 02 pag 14 SCC0304 01 Single phase sensing 150V 300V...

Страница 15: ...DER2 digital regulator instruction manual rev 02 pag 15 SCC0305 01 Single phase sensing 300V 600V...

Страница 16: ...DER2 digital regulator instruction manual rev 02 pag 16 SCC0306 01 Single phase sensing 300V 600V generator in threephase ZIG ZAG connection...

Страница 17: ...f with the default value P 16 4608 there is an excursion of approximately 7 8 Remote control of voltage The Pext input terminal 30 and 10V terminal 32 allow to obtain remote control of the output volt...

Страница 18: ...rotection intervention threshold 10 USB Communications The COM connector is RESERVED for connection to supervision unit through the dedicated USB cable see fig 7 For the communication the regulator im...

Страница 19: ...32767 0 0 Value used if the VOLT trimmer is disabled 20 Stability 0 32767 16384 16384 Value used if the STAB trimmer is disabled 21 Freq threshold 10 freqnom 0 32767 26214 26214 Value used if the Hz...

Страница 20: ...value memorised remains set on the start up the location L 49 is initialised with the value of parameter P 15 and is kept aligned to that value Editing of location L 49 has no effect in this working c...

Страница 21: ...ommands Do not use 41 Pext Vext Inputs 0 32767 Read only Analogical input or external potentiometer value 42 Setpoint 0 32767 Read only Setpoint value 43 Setpoint 0 32767 Read only Value modified by r...

Страница 22: ...19 22 between 150 300 Vac scale F There are two ways to set from minimum to maximum value 1 With the VOLT trimmer which must be enabled by the Settings potentiometers menu of DxR Termi nal software 2...

Страница 23: ...I respectively depend on the position of the STAB trimmer if enabled or the value of parameter P 20 if the trimmer is disabled The value of the proportional gain KP also depends on the value of the P...

Страница 24: ...2 KI P 13 L 54 P 20 fig 9c drawing of the numeric elaborations of proportional and integral gain by all DER2 with STAB trimmer disabled In both cases the effective integral gain KI is obtained by mult...

Страница 25: ...n d ECO46 1 5S 4 2 4 1650 9 5 30077 27607 9 5 30077 27607 ECO46 2S 4 2 4 1800 11 32704 32640 9 5 30077 27607 ECO46 1L 4 2 4 2100 9 5 30077 27607 n d n d n d ECO46 1 5L 4 2 4 2300 11 32704 32640 9 2809...

Страница 26: ...ture but it also has an active function in reducing the cause In fact an adjustment ring takes control of the voltage generated when the threshold set is exceeded This reduces the voltage to the point...

Страница 27: ...inutes after overload application 4 if the AMP trimmer is enabled turn it anti clockwise until the value read at location 55 becomes equal to the value read at point 3 location 45 the operation is sim...

Страница 28: ...8 57 5 Hz depending on whether 50 60 is activated or not Values between 0 and 26214 correspond to an intervention that varies from 40 48 Hz to 48 57 5Hz Values between 26214 and 32767 correspond to an...

Страница 29: ...allel mode provided that the regulator stay fully operational for instance with sufficient residual voltage direct supply from the phase or from PMG WARNING In case of parallel operation of the genera...

Страница 30: ...oss of excitation APO TABLE 13 ALARM FLAGS AT LOCATION L 38 B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 32768 16384 8192 4096 2048 1024 512 256 128 64 32 16 8 4 2 1 A12 A11 A10 A9 A8 A7 A6 A...

Страница 31: ...t set on zero the blockage is disabled The STOP condition causes a fall in excitation with consequent switching off and successive restarting of the regulator and therefore repetition of the cycle 5 E...

Страница 32: ...e to set at location 17 use the following procedure a In relation to table 15 Add up the decimal numbers corresponding to the alarms for which you want APO to be activated obtaining number B Example i...

Страница 33: ...ower source to be isolated from the electrical grid for instance by a transformer The use of these types of connection is reserved to qualified personnel able to assess the operational risks of high v...

Страница 34: ...rst Edition rev 01 09 16 SCC update with PD500 and PD I rev 02 03 18 Errors correction TECHNICAL REFERENCE GUIDES Titolo Link Digital Regulators MODBUS communication protocol http www meccalte com sen...

Страница 35: ...DER2 digital regulator instruction manual rev 02 pag 35...

Страница 36: ...34 0 96 6700103 E info meccalte es aftersales meccalte es Germany Mecc Alte Generatoren GmbH Ensener Weg 21 D 51149 K ln T 49 0 2203 503810 F 49 0 2203 503796 E info meccalte de aftersales meccalte d...

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