Contents contents – OSRAM POWERTRONIC PT-FIT I ECG for HID lamps, with cable clamp User Manual
Page 3
1. The system HID lamp and ECG
5
1.1. High-pressure discharge lamps
5
1.2. The POWERTRONIC
®
ECG
5
1.2.1. Product range
6
1.2.2. Operating principle
6
1.2.3. Benefi ts of the intelligent POWERTRONIC
®
ECG
6
1.2.4. Advantages of electronic control gear over conventional gear
6
1.2.5.
Application
areas
7
1.2.5.1. Indoor, outdoor
7
1.2.5.2. Installation of devices in luminaires or mounting the types
with cable clamp in suspended ceilings
8
2. The product in operation
9
2.1. Supply voltage
9
2.1.1. Permissible voltage range
9
2.1.2. Overvoltage > 264 V
9
2.1.3. Undervoltage > 198 V
10
2.1.4. DC voltage
10
2.1.5. ECGs for networks with 120 V/277 V
10
2.1.6. Operation on a three-phase network
10
2.1.7. Overvoltage protection
11
2.2. Installation
11
2.2.1. ECG operation for luminaires with protection class I and II
11
2.2.2. Insulation
11
2.2.2.1. Insulation distances in luminaires
11
2.2.2.2. Insulation testing in luminaires
11
2.2.2.3. Insulation resistance in lighting installations
12
2.2.3. Output voltage
12
2.2.3.1. Lamp ignition voltage
12
2.2.3.2. Operating voltage (U-OUT)
12
2.2.4. Wiring
13
2.2.4.1. Wire and cabling types
13
2.2.4.2. Cabling cross-section
13
2.2.4.3. Cable length between ECG and lamp
13
2.2.4.4. Cable layout
14
2.2.4.5. Wiring plans for integration of POWERTRONIC
®
ECG PTi and PT-FIT
14
2.2.4.6. Wiring plans for downlights with POWERTRONIC
®
ECG
with cable clamp
15
2.2.4.7. Wiring plans for POWERTRONIC
®
ECG PTo
16
2.2.4.8. Stripping length
16
2.2.5. Inrush current limiter
16
2.2.6. Leakage current, protective current, contact current,
earth leakage circuit breaker (ELCB)
17
2.3. Behavior in operation
17
2.3.1. Lamp ignition and lamp operation
17
2.3.2. Hot restrike of lamp
17
2.3.3. ECG reset, restart
17
2.3.4. Constant lamp wattage
17
2.3.5. Power factor, compensation
18
2.3.6. ECG temperatures and their effect on service life
18
2.3.6.1. Device temperature t
c
19
2.3.6.2. Ambient temperature t
a
of ECG
19
2.3.6.3. ECG self-heating
19
2.3.6.4. Practical assessment of the service life and
thermal properties of an ECG
20
2.3.6.5. Effect of temperature on service life
21
2.3.6.6. Failure rate
21
2.3.7. General hints on installation in relation to temperature
22
2.3.7.1. Power reduction control due to overtemperature
22
2.3.7.2. ECG temperature measurement in luminaires
22
2.3.8. The ECG's ability to withstand frequent on/off switching
23
2.3.9. Short-circuit strength
23
2.3.10. Switch-off criteria and mechanisms
23
2.3.10.1. Monitoring lamp voltage
23
2.3.10.2. Ignition time limitation
23
2.3.11. Lamp shutdown at end of life
23
2.3.12. Noise levels
24
2.3.13. Dimming
24
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