Kutai electronics ADVR-054 Manuel utilisateur

KUTAI ELECTRONICS INDUSTRY CO., LTD.

TEL : +886-7-8121771 FAX : +886-7-8121775 Website : www.kutai.com.tw

Headquarters : No.3, Ln. 201, Qianfu St., Qianzhen Dist., Kaohsiung City 80664, Taiwan

ADVR-054

Universal Hybrid Analog-Digital

Voltage Regulator Operation Manual

Self Excited 5 Amp Analog / Digital Voltage Regulator

For shunt and auxiliary windings generators

With over-excitation and lost of sensing protection

Use with Kutai EP200 Paralleling Module for parallel operation

___________________________________________________________________________________________

2ADVR-054

WARNING

1. Some generators even when working at high voltage are factory set to sense at lower voltages.

Remember to set the DIP SW 2 to the sensing voltage not the working voltage of the generator even do

sometimes it can be the same. If you have a 480/277V generator but you have the sensing wires C and A

connected to 240 Volts move DIP SW 2 to ON

Another example are rental units with multi-voltage output with a switches for Y, YY, Delta & ZZ output,

but sensing is always at 240V from T7 and T9 even though the generator is running sometimes at

480/277V.

2. All voltage readings are to be taken with an average-reading voltmeter Meggers and high-potential test

equipment must not be used. Use of such equipment could damage the AVR.

3. Improper setting of under-frequency protection could cause the output voltage of the unit to drop or

become unstable under with changes in load. Avoid making any changes to the U/F setting unless

necessary.

SECTION 1 : SPECIFICATION

Sensing Input (A, C) Average Reading

Static Power Dissipation

Voltage 170 260Vac@220Vac,1phase2wires

Max.8 watts

340 520Vac@440Vac,1phase2wires

220/440 Vac, DIP switch setting

Under Frequency Protection (Factory Presets)

Frequency 50/60 Hz, DIP switch setting

50 Hz system presets knee point at 45 Hz

60 Hz system presets knee point at 55 Hz

Power Input (B, C)

Voltage 100 300 Vac, 1 phase 2 wires

Over Excitation Voltage Protection

Frequency 40 60 Hz

Set point 78 Vdc +/- 6% @ power input 220 Vac

Time delay 5 secs. This function can be turned off.

Excitation Output (F+, F-)

220V 1 phase Continuous 63 Vdc 5A

Voltage Thermal Drift

Max. 90 Vdc 7A for 10 secs.

Less than 3% at temperature range -40 to +70 ˚C

Resistance Min. 15 ohms, Max. 100 ohms

Fuse Spec. Slow blow 5 x 20mm S505-5A

Under-Frequency Knee Point Thermal Drift

Less than +/- 0.1 Hz at -40 to +70 ˚C

External Voltage Adjustment (EXT.VR)

Max. +/- 3.5% @ 1K ohm 1 watt potentiometer

Environment

Operating Temperature -40 to +60 ˚C

Voltage Regulation

Storage Temperature -40 to +85 ˚C

Less than +/- 0.5% ( with 4% engine governing )

Relative Humidity Max. 95%

Vibration 5 Gs @ 60 Hz

Build Up Voltage

5 Vac 25 Hz residual volts at power input terminal

Dimensions

121.0 (L) x 81.0 (W) x 44.5 (H) mm

Soft Start Ramp Time

4.76 (L) x 3.19 (W) x 1.75 (H) inch

3 seconds +/- 10%

Weight

Typical System Response

270 g +/- 2%

Less than 20 milliseconds

0.6 lb +/- 2%

EMI Suppression

Internal electromagnetic interference filtering

___________________________________________________________________________________________

ADVR-0543

SECTION 2 : APPEARANCE / DIMENSIONS / INSTALLATION DRAWING

M4 L25

8.5

[1.96"]

27.0

44.5

50.0

[1.75"]

[1.06"]

[0.33"]

Unit : mm

[inch]

ATTENTION

1. Only qualified technicians should install and operate the AVR.

2. The voltage regulator may be installed at any suitable location on the generator set (dimensions are

shown in Figure 1). It is recommended that unit is mounted vertically with the green resistors on the

regulator upwards to achieve the best cooling effect.

3. All AC voltage sensing readings are average value only.

Figure 1 Outline Drawing

___________________________________________________________________________________________

4ADVR-054

SECTION 3 : DIP SWITCH SETTINGS, LED INDICATORS AND ADJUSTMENTS

VOLT Voltage Adjustment

The adjustment range is set by

SW2.

U/F Under Frequency Protection

50 Hz system preset at 45 Hz,

60 Hz system preset at 55 Hz,

To change the setting, see the

Adjustment Step 3.

U/F LED

Under Frequency Protection status.

A：Sensing Input terminal

A to C: 170 –520 Vac

F+ , F-：Connect to generator

excitation field.

B：Power Input terminal

B to C: always less than 300 Vac

C：SensingInputandPowerInputterminals

EXT.VR Ext Potentiometer,

1K ohm 1W. Keep shorted when

not in use.

ADJUSTMENTS AFTER GENERATOR IS STARTED :

1. First, turn VOLT and STAB trimpots fully counterclockwise before starting the generator. Set the engine

governor to 50 or 60 Hz. Start the generator and wait till it reaches rated speed. Now slowly turn VOLT trimpot

clockwise to increase the working voltage. (If you use an external potentiometer, set it to the center position).

Keep EXT. VR shorted when not in use.

2. Next, slowly adjusting the STAB trimpot etting (clockwise), this change the response time of the AVR to

changing loads. If the setting is too high the voltage is unstable but if set too low the response is sluggish. We

recommend using an analog DC voltage meter on F, F+ and adjust STAB for the lowest amount of voltage

fluctuation (needle movement).

3. Last, Under Frequency (U/F) adjustment. (The U/F is Factory preset and needs no adjustments) put in rare

applications. Use the U/F LED as a guide. When this LED is ON the circuit is operational turning off the

regulators output. To recalibrate, adjust the generator speed to the new U/F kneel point, usually 5 Hz under

rated speed (Hz) then set the U/F trim-pot to the point at which the U/F LED just changes from off to on rated

speed (Hz) then set the U/F trimpot to the point at which the U/F LED just changes from off to on. Adjustment

range for 50Hz system is 40 to 51 Hz. For 60 Hz system the range is 50 to 61 Hz.

Over Excitation (O/E) LED

When the excitation voltage is greater than 35%

of input power voltage, the LED will lit after 5

sec. If the DIP switch SW3 set at OFF then it will

also shut off excitation output at the same time.

DIP Switches

System Freqency SW1 ON:50 Hz, OFF:60 Hz

Sensing Input SW2 ON:220V, OFF:440V

O/E Protection SW3 ON:Disable, OFF:Enable

STAB Stability Setting

With No Load, slowly turn the

STAB counterclockwise until

voltage becomes unstable then

turn clockwise about 1/5 turn.

S F

40 51

(50) (61)

ADVR-054

___________________________________________________________________________________________

ADVR-0545

SECTION 4 : CONNECTION DIAGRAMS

ADVR-054

1000 Ohm

EXT. VR

Field

1000 Ohm

EXT. VR

Field

ADVR-054

Figure 3 170 260V sensing connection (Option 1)

Figure 4 170 260V sensing connection (Option 2)

1000 Ohm

EXT. VR

Field

ADVR-054

Aux.winding 1000 Ohm

EXT. VR

Field

ADVR-054

Figure 5 340 520V sensing connection

Figure 6 Auxiliary Winding connection

※Package include 4 pcs of M4 L25 Round head bolts and 2 pcs of terminal jumpers.

※Use only replacement fuses specified in this user manual.

※Appearance and specifications of products are subject to change for improvement without prior notice.

Refer to Section 3

for DIP Switch

setting.

Refer to Section 3

for DIP Switch

setting.

Refer to Section 3

for DIP Switch

setting.

Refer to Section 3

for DIP Switch

setting.

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